63212500

素因数分解:

$2^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{389}}^1$

素因数の和:431

約数の個数: 72

約数和(自身を含む): 149287320

約数和(自身を除く): 86074820

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 389, 500, 625, 650, 778, 1250, 1300, 1556, 1625, 1945, 2500, 3125, 3250, 3890, 5057, 6250, 6500, 7780, 8125, 9725, 10114, 12500, 16250, 19450, 20228, 25285, 32500, 38900, 40625, 48625, 50570, 81250, 97250, 101140, 126425, 162500, 194500, 243125, 252850, 486250, 505700, 632125, 972500, 1215625, 1264250, 2431250, 2528500, 3160625, 4862500, 6321250, 12642500, 15803125, 31606250, 63212500]

約数ペア:

[(1, 63212500), (2, 31606250), (4, 15803125), (5, 12642500), (10, 6321250), (13, 4862500), (20, 3160625), (25, 2528500), (26, 2431250), (50, 1264250), (52, 1215625), (65, 972500), (100, 632125), (125, 505700), (130, 486250), (250, 252850), (260, 243125), (325, 194500), (389, 162500), (500, 126425), (625, 101140), (650, 97250), (778, 81250), (1250, 50570), (1300, 48625), (1556, 40625), (1625, 38900), (1945, 32500), (2500, 25285), (3125, 20228), (3250, 19450), (3890, 16250), (5057, 12500), (6250, 10114), (6500, 9725), (7780, 8125)]