8222500

素因数分解:

$2^2\times 5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1$

素因数の和:71

約数の個数: 120

約数和(自身を含む): 22042944

約数和(自身を除く): 13820444

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 23, 25, 26, 44, 46, 50, 52, 55, 65, 92, 100, 110, 115, 125, 130, 143, 220, 230, 250, 253, 260, 275, 286, 299, 325, 460, 500, 506, 550, 572, 575, 598, 625, 650, 715, 1012, 1100, 1150, 1196, 1250, 1265, 1300, 1375, 1430, 1495, 1625, 2300, 2500, 2530, 2750, 2860, 2875, 2990, 3250, 3289, 3575, 5060, 5500, 5750, 5980, 6325, 6500, 6578, 6875, 7150, 7475, 8125, 11500, 12650, 13156, 13750, 14300, 14375, 14950, 16250, 16445, 17875, 25300, 27500, 28750, 29900, 31625, 32500, 32890, 35750, 37375, 57500, 63250, 65780, 71500, 74750, 82225, 89375, 126500, 149500, 158125, 164450, 178750, 186875, 316250, 328900, 357500, 373750, 411125, 632500, 747500, 822250, 1644500, 2055625, 4111250, 8222500]

約数ペア:

[(1, 8222500), (2, 4111250), (4, 2055625), (5, 1644500), (10, 822250), (11, 747500), (13, 632500), (20, 411125), (22, 373750), (23, 357500), (25, 328900), (26, 316250), (44, 186875), (46, 178750), (50, 164450), (52, 158125), (55, 149500), (65, 126500), (92, 89375), (100, 82225), (110, 74750), (115, 71500), (125, 65780), (130, 63250), (143, 57500), (220, 37375), (230, 35750), (250, 32890), (253, 32500), (260, 31625), (275, 29900), (286, 28750), (299, 27500), (325, 25300), (460, 17875), (500, 16445), (506, 16250), (550, 14950), (572, 14375), (575, 14300), (598, 13750), (625, 13156), (650, 12650), (715, 11500), (1012, 8125), (1100, 7475), (1150, 7150), (1196, 6875), (1250, 6578), (1265, 6500), (1300, 6325), (1375, 5980), (1430, 5750), (1495, 5500), (1625, 5060), (2300, 3575), (2500, 3289), (2530, 3250), (2750, 2990), (2860, 2875)]