829562500

素因数分解:

$2^2\times 5^6\times {\mathrm{13}}^1\times {\mathrm{1021}}^1$

素因数の和:1068

約数の個数: 84

約数和(自身を含む): 1956146836

約数和(自身を除く): 1126584336

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 625, 650, 1021, 1250, 1300, 1625, 2042, 2500, 3125, 3250, 4084, 5105, 6250, 6500, 8125, 10210, 12500, 13273, 15625, 16250, 20420, 25525, 26546, 31250, 32500, 40625, 51050, 53092, 62500, 66365, 81250, 102100, 127625, 132730, 162500, 203125, 255250, 265460, 331825, 406250, 510500, 638125, 663650, 812500, 1276250, 1327300, 1659125, 2552500, 3190625, 3318250, 6381250, 6636500, 8295625, 12762500, 15953125, 16591250, 31906250, 33182500, 41478125, 63812500, 82956250, 165912500, 207390625, 414781250, 829562500]

約数ペア:

[(1, 829562500), (2, 414781250), (4, 207390625), (5, 165912500), (10, 82956250), (13, 63812500), (20, 41478125), (25, 33182500), (26, 31906250), (50, 16591250), (52, 15953125), (65, 12762500), (100, 8295625), (125, 6636500), (130, 6381250), (250, 3318250), (260, 3190625), (325, 2552500), (500, 1659125), (625, 1327300), (650, 1276250), (1021, 812500), (1250, 663650), (1300, 638125), (1625, 510500), (2042, 406250), (2500, 331825), (3125, 265460), (3250, 255250), (4084, 203125), (5105, 162500), (6250, 132730), (6500, 127625), (8125, 102100), (10210, 81250), (12500, 66365), (13273, 62500), (15625, 53092), (16250, 51050), (20420, 40625), (25525, 32500), (26546, 31250)]