28278300440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1754237}}^1$

素因数の和:1754292

約数の個数: 64

約数和(自身を含む): 70730876160

約数和(自身を除く): 42452575720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 124, 130, 155, 248, 260, 310, 403, 520, 620, 806, 1240, 1612, 2015, 3224, 4030, 8060, 16120, 1754237, 3508474, 7016948, 8771185, 14033896, 17542370, 22805081, 35084740, 45610162, 54381347, 70169480, 91220324, 108762694, 114025405, 182440648, 217525388, 228050810, 271906735, 435050776, 456101620, 543813470, 706957511, 912203240, 1087626940, 1413915022, 2175253880, 2827830044, 3534787555, 5655660088, 7069575110, 14139150220, 28278300440]

約数ペア:

[(1, 28278300440), (2, 14139150220), (4, 7069575110), (5, 5655660088), (8, 3534787555), (10, 2827830044), (13, 2175253880), (20, 1413915022), (26, 1087626940), (31, 912203240), (40, 706957511), (52, 543813470), (62, 456101620), (65, 435050776), (104, 271906735), (124, 228050810), (130, 217525388), (155, 182440648), (248, 114025405), (260, 108762694), (310, 91220324), (403, 70169480), (520, 54381347), (620, 45610162), (806, 35084740), (1240, 22805081), (1612, 17542370), (2015, 14033896), (3224, 8771185), (4030, 7016948), (8060, 3508474), (16120, 1754237)]