25558880

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5153}}^1$

素因数の和:5199

約数の個数: 48

約数和(自身を含む): 62342784

約数和(自身を除く): 36783904

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 80, 124, 155, 160, 248, 310, 496, 620, 992, 1240, 2480, 4960, 5153, 10306, 20612, 25765, 41224, 51530, 82448, 103060, 159743, 164896, 206120, 319486, 412240, 638972, 798715, 824480, 1277944, 1597430, 2555888, 3194860, 5111776, 6389720, 12779440, 25558880]

約数ペア:

[(1, 25558880), (2, 12779440), (4, 6389720), (5, 5111776), (8, 3194860), (10, 2555888), (16, 1597430), (20, 1277944), (31, 824480), (32, 798715), (40, 638972), (62, 412240), (80, 319486), (124, 206120), (155, 164896), (160, 159743), (248, 103060), (310, 82448), (496, 51530), (620, 41224), (992, 25765), (1240, 20612), (2480, 10306), (4960, 5153)]