81253250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{1087}}^1$

素因数の和:1140

約数の個数: 64

約数和(自身を含む): 171085824

約数和(自身を除く): 89832574

約数列:

[1, 2, 5, 10, 13, 23, 25, 26, 46, 50, 65, 115, 125, 130, 230, 250, 299, 325, 575, 598, 650, 1087, 1150, 1495, 1625, 2174, 2875, 2990, 3250, 5435, 5750, 7475, 10870, 14131, 14950, 25001, 27175, 28262, 37375, 50002, 54350, 70655, 74750, 125005, 135875, 141310, 250010, 271750, 325013, 353275, 625025, 650026, 706550, 1250050, 1625065, 1766375, 3125125, 3250130, 3532750, 6250250, 8125325, 16250650, 40626625, 81253250]

約数ペア:

[(1, 81253250), (2, 40626625), (5, 16250650), (10, 8125325), (13, 6250250), (23, 3532750), (25, 3250130), (26, 3125125), (46, 1766375), (50, 1625065), (65, 1250050), (115, 706550), (125, 650026), (130, 625025), (230, 353275), (250, 325013), (299, 271750), (325, 250010), (575, 141310), (598, 135875), (650, 125005), (1087, 74750), (1150, 70655), (1495, 54350), (1625, 50002), (2174, 37375), (2875, 28262), (2990, 27175), (3250, 25001), (5435, 14950), (5750, 14131), (7475, 10870)]