20141282320

素因数分解:

$2^4\times 5^1\times {\mathrm{811}}^1\times {\mathrm{310439}}^1$

素因数の和:311263

約数の個数: 40

約数和(自身を含む): 46886374080

約数和(自身を除く): 26745091760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 811, 1622, 3244, 4055, 6488, 8110, 12976, 16220, 32440, 64880, 310439, 620878, 1241756, 1552195, 2483512, 3104390, 4967024, 6208780, 12417560, 24835120, 251766029, 503532058, 1007064116, 1258830145, 2014128232, 2517660290, 4028256464, 5035320580, 10070641160, 20141282320]

約数ペア:

[(1, 20141282320), (2, 10070641160), (4, 5035320580), (5, 4028256464), (8, 2517660290), (10, 2014128232), (16, 1258830145), (20, 1007064116), (40, 503532058), (80, 251766029), (811, 24835120), (1622, 12417560), (3244, 6208780), (4055, 4967024), (6488, 3104390), (8110, 2483512), (12976, 1552195), (16220, 1241756), (32440, 620878), (64880, 310439)]