25719460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3191}}^1$

素因数の和:3244

約数の個数: 48

約数和(自身を含む): 60060672

約数和(自身を除く): 34341212

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 3191, 4030, 6382, 8060, 12764, 15955, 31910, 41483, 63820, 82966, 98921, 165932, 197842, 207415, 395684, 414830, 494605, 829660, 989210, 1285973, 1978420, 2571946, 5143892, 6429865, 12859730, 25719460]

約数ペア:

[(1, 25719460), (2, 12859730), (4, 6429865), (5, 5143892), (10, 2571946), (13, 1978420), (20, 1285973), (26, 989210), (31, 829660), (52, 494605), (62, 414830), (65, 395684), (124, 207415), (130, 197842), (155, 165932), (260, 98921), (310, 82966), (403, 63820), (620, 41483), (806, 31910), (1612, 15955), (2015, 12764), (3191, 8060), (4030, 6382)]