31928440

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{163}}^1$

素因数の和:316

約数の個数: 64

約数和(自身を含む): 74390400

約数和(自身を除く): 42461960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 83, 118, 163, 166, 236, 295, 326, 332, 415, 472, 590, 652, 664, 815, 830, 1180, 1304, 1630, 1660, 2360, 3260, 3320, 4897, 6520, 9617, 9794, 13529, 19234, 19588, 24485, 27058, 38468, 39176, 48085, 48970, 54116, 67645, 76936, 96170, 97940, 108232, 135290, 192340, 195880, 270580, 384680, 541160, 798211, 1596422, 3192844, 3991055, 6385688, 7982110, 15964220, 31928440]

約数ペア:

[(1, 31928440), (2, 15964220), (4, 7982110), (5, 6385688), (8, 3991055), (10, 3192844), (20, 1596422), (40, 798211), (59, 541160), (83, 384680), (118, 270580), (163, 195880), (166, 192340), (236, 135290), (295, 108232), (326, 97940), (332, 96170), (415, 76936), (472, 67645), (590, 54116), (652, 48970), (664, 48085), (815, 39176), (830, 38468), (1180, 27058), (1304, 24485), (1630, 19588), (1660, 19234), (2360, 13529), (3260, 9794), (3320, 9617), (4897, 6520)]