84662500

素因数分解:

$2^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{521}}^1$

素因数の和:563

約数の個数: 72

約数和(自身を含む): 199815336

約数和(自身を除く): 115152836

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 521, 625, 650, 1042, 1250, 1300, 1625, 2084, 2500, 2605, 3125, 3250, 5210, 6250, 6500, 6773, 8125, 10420, 12500, 13025, 13546, 16250, 26050, 27092, 32500, 33865, 40625, 52100, 65125, 67730, 81250, 130250, 135460, 162500, 169325, 260500, 325625, 338650, 651250, 677300, 846625, 1302500, 1628125, 1693250, 3256250, 3386500, 4233125, 6512500, 8466250, 16932500, 21165625, 42331250, 84662500]

約数ペア:

[(1, 84662500), (2, 42331250), (4, 21165625), (5, 16932500), (10, 8466250), (13, 6512500), (20, 4233125), (25, 3386500), (26, 3256250), (50, 1693250), (52, 1628125), (65, 1302500), (100, 846625), (125, 677300), (130, 651250), (250, 338650), (260, 325625), (325, 260500), (500, 169325), (521, 162500), (625, 135460), (650, 130250), (1042, 81250), (1250, 67730), (1300, 65125), (1625, 52100), (2084, 40625), (2500, 33865), (2605, 32500), (3125, 27092), (3250, 26050), (5210, 16250), (6250, 13546), (6500, 13025), (6773, 12500), (8125, 10420)]