20388545500

素因数分解:

$2^2\times 5^3\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{12941}}^1$

素因数の和:13120

約数の個数: 96

約数和(自身を含む): 46807383168

約数和(自身を除く): 26418837668

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 125, 137, 230, 250, 274, 460, 500, 548, 575, 685, 1150, 1370, 2300, 2740, 2875, 3151, 3425, 5750, 6302, 6850, 11500, 12604, 12941, 13700, 15755, 17125, 25882, 31510, 34250, 51764, 63020, 64705, 68500, 78775, 129410, 157550, 258820, 297643, 315100, 323525, 393875, 595286, 647050, 787750, 1190572, 1294100, 1488215, 1575500, 1617625, 1772917, 2976430, 3235250, 3545834, 5952860, 6470500, 7091668, 7441075, 8864585, 14882150, 17729170, 29764300, 35458340, 37205375, 40777091, 44322925, 74410750, 81554182, 88645850, 148821500, 163108364, 177291700, 203885455, 221614625, 407770910, 443229250, 815541820, 886458500, 1019427275, 2038854550, 4077709100, 5097136375, 10194272750, 20388545500]

約数ペア:

[(1, 20388545500), (2, 10194272750), (4, 5097136375), (5, 4077709100), (10, 2038854550), (20, 1019427275), (23, 886458500), (25, 815541820), (46, 443229250), (50, 407770910), (92, 221614625), (100, 203885455), (115, 177291700), (125, 163108364), (137, 148821500), (230, 88645850), (250, 81554182), (274, 74410750), (460, 44322925), (500, 40777091), (548, 37205375), (575, 35458340), (685, 29764300), (1150, 17729170), (1370, 14882150), (2300, 8864585), (2740, 7441075), (2875, 7091668), (3151, 6470500), (3425, 5952860), (5750, 3545834), (6302, 3235250), (6850, 2976430), (11500, 1772917), (12604, 1617625), (12941, 1575500), (13700, 1488215), (15755, 1294100), (17125, 1190572), (25882, 787750), (31510, 647050), (34250, 595286), (51764, 393875), (63020, 323525), (64705, 315100), (68500, 297643), (78775, 258820), (129410, 157550)]