87749840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{863}}^1$

素因数の和:948

約数の個数: 80

約数和(自身を含む): 215986176

約数和(自身を除く): 128236336

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 863, 1240, 1271, 1640, 1726, 2480, 2542, 3280, 3452, 4315, 5084, 6355, 6904, 8630, 10168, 12710, 13808, 17260, 20336, 25420, 26753, 34520, 35383, 50840, 53506, 69040, 70766, 101680, 107012, 133765, 141532, 176915, 214024, 267530, 283064, 353830, 428048, 535060, 566128, 707660, 1070120, 1096873, 1415320, 2140240, 2193746, 2830640, 4387492, 5484365, 8774984, 10968730, 17549968, 21937460, 43874920, 87749840]

約数ペア:

[(1, 87749840), (2, 43874920), (4, 21937460), (5, 17549968), (8, 10968730), (10, 8774984), (16, 5484365), (20, 4387492), (31, 2830640), (40, 2193746), (41, 2140240), (62, 1415320), (80, 1096873), (82, 1070120), (124, 707660), (155, 566128), (164, 535060), (205, 428048), (248, 353830), (310, 283064), (328, 267530), (410, 214024), (496, 176915), (620, 141532), (656, 133765), (820, 107012), (863, 101680), (1240, 70766), (1271, 69040), (1640, 53506), (1726, 50840), (2480, 35383), (2542, 34520), (3280, 26753), (3452, 25420), (4315, 20336), (5084, 17260), (6355, 13808), (6904, 12710), (8630, 10168)]