89718980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{1481}}^1$

素因数の和:1736

約数の個数: 48

約数和(自身を含む): 203911344

約数和(自身を除く): 114192364

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 233, 260, 466, 932, 1165, 1481, 2330, 2962, 3029, 4660, 5924, 6058, 7405, 12116, 14810, 15145, 19253, 29620, 30290, 38506, 60580, 77012, 96265, 192530, 345073, 385060, 690146, 1380292, 1725365, 3450730, 4485949, 6901460, 8971898, 17943796, 22429745, 44859490, 89718980]

約数ペア:

[(1, 89718980), (2, 44859490), (4, 22429745), (5, 17943796), (10, 8971898), (13, 6901460), (20, 4485949), (26, 3450730), (52, 1725365), (65, 1380292), (130, 690146), (233, 385060), (260, 345073), (466, 192530), (932, 96265), (1165, 77012), (1481, 60580), (2330, 38506), (2962, 30290), (3029, 29620), (4660, 19253), (5924, 15145), (6058, 14810), (7405, 12116)]