51579040

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{10399}}^1$

素因数の和:10445

約数の個数: 48

約数和(自身を含む): 125798400

約数和(自身を除く): 74219360

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, 10399, 20798, 41596, 51995, 83192, 103990, 166384, 207980, 322369, 332768, 415960, 644738, 831920, 1289476, 1611845, 1663840, 2578952, 3223690, 5157904, 6447380, 10315808, 12894760, 25789520, 51579040]

約数ペア:

[(1, 51579040), (2, 25789520), (4, 12894760), (5, 10315808), (8, 6447380), (10, 5157904), (16, 3223690), (20, 2578952), (31, 1663840), (32, 1611845), (40, 1289476), (62, 831920), (80, 644738), (124, 415960), (155, 332768), (160, 322369), (248, 207980), (310, 166384), (496, 103990), (620, 83192), (992, 51995), (1240, 41596), (2480, 20798), (4960, 10399)]