25519860

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:172

約数の個数: 144

約数和(自身を含む): 82555200

約数和(自身を除く): 57035340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 59, 60, 81, 89, 90, 108, 118, 135, 162, 177, 178, 180, 236, 243, 267, 270, 295, 324, 354, 356, 405, 445, 486, 531, 534, 540, 590, 708, 801, 810, 885, 890, 972, 1062, 1068, 1180, 1215, 1335, 1593, 1602, 1620, 1770, 1780, 2124, 2403, 2430, 2655, 2670, 3186, 3204, 3540, 4005, 4779, 4806, 4860, 5251, 5310, 5340, 6372, 7209, 7965, 8010, 9558, 9612, 10502, 10620, 12015, 14337, 14418, 15753, 15930, 16020, 19116, 21004, 21627, 23895, 24030, 26255, 28674, 28836, 31506, 31860, 36045, 43254, 47259, 47790, 48060, 52510, 57348, 63012, 71685, 72090, 78765, 86508, 94518, 95580, 105020, 108135, 141777, 143370, 144180, 157530, 189036, 216270, 236295, 283554, 286740, 315060, 425331, 432540, 472590, 567108, 708885, 850662, 945180, 1275993, 1417770, 1701324, 2126655, 2551986, 2835540, 4253310, 5103972, 6379965, 8506620, 12759930, 25519860]

約数ペア:

[(1, 25519860), (2, 12759930), (3, 8506620), (4, 6379965), (5, 5103972), (6, 4253310), (9, 2835540), (10, 2551986), (12, 2126655), (15, 1701324), (18, 1417770), (20, 1275993), (27, 945180), (30, 850662), (36, 708885), (45, 567108), (54, 472590), (59, 432540), (60, 425331), (81, 315060), (89, 286740), (90, 283554), (108, 236295), (118, 216270), (135, 189036), (162, 157530), (177, 144180), (178, 143370), (180, 141777), (236, 108135), (243, 105020), (267, 95580), (270, 94518), (295, 86508), (324, 78765), (354, 72090), (356, 71685), (405, 63012), (445, 57348), (486, 52510), (531, 48060), (534, 47790), (540, 47259), (590, 43254), (708, 36045), (801, 31860), (810, 31506), (885, 28836), (890, 28674), (972, 26255), (1062, 24030), (1068, 23895), (1180, 21627), (1215, 21004), (1335, 19116), (1593, 16020), (1602, 15930), (1620, 15753), (1770, 14418), (1780, 14337), (2124, 12015), (2403, 10620), (2430, 10502), (2655, 9612), (2670, 9558), (3186, 8010), (3204, 7965), (3540, 7209), (4005, 6372), (4779, 5340), (4806, 5310), (4860, 5251)]