201387880

素因数分解:

$2^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{60659}}^1$

素因数の和:60753

約数の個数: 32

約数和(自身を含む): 458589600

約数和(自身を除く): 257201720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 83, 166, 332, 415, 664, 830, 1660, 3320, 60659, 121318, 242636, 303295, 485272, 606590, 1213180, 2426360, 5034697, 10069394, 20138788, 25173485, 40277576, 50346970, 100693940, 201387880]

約数ペア:

[(1, 201387880), (2, 100693940), (4, 50346970), (5, 40277576), (8, 25173485), (10, 20138788), (20, 10069394), (40, 5034697), (83, 2426360), (166, 1213180), (332, 606590), (415, 485272), (664, 303295), (830, 242636), (1660, 121318), (3320, 60659)]