25626250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1$

素因数の和:137

約数の個数: 80

約数和(自身を含む): 55107360

約数和(自身を除く): 29481110

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 83, 95, 125, 130, 166, 190, 247, 250, 325, 415, 475, 494, 625, 650, 830, 950, 1079, 1235, 1250, 1577, 1625, 2075, 2158, 2375, 2470, 3154, 3250, 4150, 4750, 5395, 6175, 7885, 8125, 10375, 10790, 11875, 12350, 15770, 16250, 20501, 20750, 23750, 26975, 30875, 39425, 41002, 51875, 53950, 61750, 78850, 102505, 103750, 134875, 154375, 197125, 205010, 269750, 308750, 394250, 512525, 674375, 985625, 1025050, 1348750, 1971250, 2562625, 5125250, 12813125, 25626250]

約数ペア:

[(1, 25626250), (2, 12813125), (5, 5125250), (10, 2562625), (13, 1971250), (19, 1348750), (25, 1025050), (26, 985625), (38, 674375), (50, 512525), (65, 394250), (83, 308750), (95, 269750), (125, 205010), (130, 197125), (166, 154375), (190, 134875), (247, 103750), (250, 102505), (325, 78850), (415, 61750), (475, 53950), (494, 51875), (625, 41002), (650, 39425), (830, 30875), (950, 26975), (1079, 23750), (1235, 20750), (1250, 20501), (1577, 16250), (1625, 15770), (2075, 12350), (2158, 11875), (2375, 10790), (2470, 10375), (3154, 8125), (3250, 7885), (4150, 6175), (4750, 5395)]