90904640

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{4657}}^1$

素因数の和:4735

約数の個数: 56

約数和(自身を含む): 220062552

約数和(自身を除く): 129157912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1952, 2440, 3904, 4657, 4880, 9314, 9760, 18628, 19520, 23285, 37256, 46570, 74512, 93140, 149024, 186280, 284077, 298048, 372560, 568154, 745120, 1136308, 1420385, 1490240, 2272616, 2840770, 4545232, 5681540, 9090464, 11363080, 18180928, 22726160, 45452320, 90904640]

約数ペア:

[(1, 90904640), (2, 45452320), (4, 22726160), (5, 18180928), (8, 11363080), (10, 9090464), (16, 5681540), (20, 4545232), (32, 2840770), (40, 2272616), (61, 1490240), (64, 1420385), (80, 1136308), (122, 745120), (160, 568154), (244, 372560), (305, 298048), (320, 284077), (488, 186280), (610, 149024), (976, 93140), (1220, 74512), (1952, 46570), (2440, 37256), (3904, 23285), (4657, 19520), (4880, 18628), (9314, 9760)]