15551424040

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1\times {\mathrm{39563}}^1$

素因数の和:39922

約数の個数: 64

約数和(自身を含む): 36234293760

約数和(自身を除く): 20682869720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 317, 620, 634, 1240, 1268, 1585, 2536, 3170, 6340, 9827, 12680, 19654, 39308, 39563, 49135, 78616, 79126, 98270, 158252, 196540, 197815, 316504, 393080, 395630, 791260, 1226453, 1582520, 2452906, 4905812, 6132265, 9811624, 12264530, 12541471, 24529060, 25082942, 49058120, 50165884, 62707355, 100331768, 125414710, 250829420, 388785601, 501658840, 777571202, 1555142404, 1943928005, 3110284808, 3887856010, 7775712020, 15551424040]

約数ペア:

[(1, 15551424040), (2, 7775712020), (4, 3887856010), (5, 3110284808), (8, 1943928005), (10, 1555142404), (20, 777571202), (31, 501658840), (40, 388785601), (62, 250829420), (124, 125414710), (155, 100331768), (248, 62707355), (310, 50165884), (317, 49058120), (620, 25082942), (634, 24529060), (1240, 12541471), (1268, 12264530), (1585, 9811624), (2536, 6132265), (3170, 4905812), (6340, 2452906), (9827, 1582520), (12680, 1226453), (19654, 791260), (39308, 395630), (39563, 393080), (49135, 316504), (78616, 197815), (79126, 196540), (98270, 158252)]