55649920

素因数分解:

$2^7\times 5^1\times {\mathrm{89}}^1\times {\mathrm{977}}^1$

素因数の和:1085

約数の個数: 64

約数和(自身を含む): 134670600

約数和(自身を除く): 79020680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 89, 128, 160, 178, 320, 356, 445, 640, 712, 890, 977, 1424, 1780, 1954, 2848, 3560, 3908, 4885, 5696, 7120, 7816, 9770, 11392, 14240, 15632, 19540, 28480, 31264, 39080, 56960, 62528, 78160, 86953, 125056, 156320, 173906, 312640, 347812, 434765, 625280, 695624, 869530, 1391248, 1739060, 2782496, 3478120, 5564992, 6956240, 11129984, 13912480, 27824960, 55649920]

約数ペア:

[(1, 55649920), (2, 27824960), (4, 13912480), (5, 11129984), (8, 6956240), (10, 5564992), (16, 3478120), (20, 2782496), (32, 1739060), (40, 1391248), (64, 869530), (80, 695624), (89, 625280), (128, 434765), (160, 347812), (178, 312640), (320, 173906), (356, 156320), (445, 125056), (640, 86953), (712, 78160), (890, 62528), (977, 56960), (1424, 39080), (1780, 31264), (1954, 28480), (2848, 19540), (3560, 15632), (3908, 14240), (4885, 11392), (5696, 9770), (7120, 7816)]