61227980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{1319}}^1$

素因数の和:1550

約数の個数: 48

約数和(自身を含む): 141039360

約数和(自身を除く): 79811380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 211, 220, 422, 844, 1055, 1319, 2110, 2321, 2638, 4220, 4642, 5276, 6595, 9284, 11605, 13190, 14509, 23210, 26380, 29018, 46420, 58036, 72545, 145090, 278309, 290180, 556618, 1113236, 1391545, 2783090, 3061399, 5566180, 6122798, 12245596, 15306995, 30613990, 61227980]

約数ペア:

[(1, 61227980), (2, 30613990), (4, 15306995), (5, 12245596), (10, 6122798), (11, 5566180), (20, 3061399), (22, 2783090), (44, 1391545), (55, 1113236), (110, 556618), (211, 290180), (220, 278309), (422, 145090), (844, 72545), (1055, 58036), (1319, 46420), (2110, 29018), (2321, 26380), (2638, 23210), (4220, 14509), (4642, 13190), (5276, 11605), (6595, 9284)]