15828888920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{981941}}^1$

素因数の和:981996

約数の個数: 64

約数和(自身を含む): 39591901440

約数和(自身を除く): 23763012520

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, 981941, 1963882, 3927764, 4909705, 7855528, 9819410, 12765233, 19638820, 25530466, 30440171, 39277640, 51060932, 60880342, 63826165, 102121864, 121760684, 127652330, 152200855, 243521368, 255304660, 304401710, 395722223, 510609320, 608803420, 791444446, 1217606840, 1582888892, 1978611115, 3165777784, 3957222230, 7914444460, 15828888920]

約数ペア:

[(1, 15828888920), (2, 7914444460), (4, 3957222230), (5, 3165777784), (8, 1978611115), (10, 1582888892), (13, 1217606840), (20, 791444446), (26, 608803420), (31, 510609320), (40, 395722223), (52, 304401710), (62, 255304660), (65, 243521368), (104, 152200855), (124, 127652330), (130, 121760684), (155, 102121864), (248, 63826165), (260, 60880342), (310, 51060932), (403, 39277640), (520, 30440171), (620, 25530466), (806, 19638820), (1240, 12765233), (1612, 9819410), (2015, 7855528), (3224, 4909705), (4030, 3927764), (8060, 1963882), (16120, 981941)]