1238122640

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{4943}}^1$

素因数の和:5088

約数の個数: 80

約数和(自身を含む): 3001522176

約数和(自身を除く): 1763399536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 101, 124, 155, 202, 248, 310, 404, 496, 505, 620, 808, 1010, 1240, 1616, 2020, 2480, 3131, 4040, 4943, 6262, 8080, 9886, 12524, 15655, 19772, 24715, 25048, 31310, 39544, 49430, 50096, 62620, 79088, 98860, 125240, 153233, 197720, 250480, 306466, 395440, 499243, 612932, 766165, 998486, 1225864, 1532330, 1996972, 2451728, 2496215, 3064660, 3993944, 4992430, 6129320, 7987888, 9984860, 12258640, 15476533, 19969720, 30953066, 39939440, 61906132, 77382665, 123812264, 154765330, 247624528, 309530660, 619061320, 1238122640]

約数ペア:

[(1, 1238122640), (2, 619061320), (4, 309530660), (5, 247624528), (8, 154765330), (10, 123812264), (16, 77382665), (20, 61906132), (31, 39939440), (40, 30953066), (62, 19969720), (80, 15476533), (101, 12258640), (124, 9984860), (155, 7987888), (202, 6129320), (248, 4992430), (310, 3993944), (404, 3064660), (496, 2496215), (505, 2451728), (620, 1996972), (808, 1532330), (1010, 1225864), (1240, 998486), (1616, 766165), (2020, 612932), (2480, 499243), (3131, 395440), (4040, 306466), (4943, 250480), (6262, 197720), (8080, 153233), (9886, 125240), (12524, 98860), (15655, 79088), (19772, 62620), (24715, 50096), (25048, 49430), (31310, 39544)]