31963480

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:364

約数の個数: 64

約数和(自身を含む): 75168000

約数和(自身を除く): 43204520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 149, 155, 173, 248, 298, 310, 346, 596, 620, 692, 745, 865, 1192, 1240, 1384, 1490, 1730, 2980, 3460, 4619, 5363, 5960, 6920, 9238, 10726, 18476, 21452, 23095, 25777, 26815, 36952, 42904, 46190, 51554, 53630, 92380, 103108, 107260, 128885, 184760, 206216, 214520, 257770, 515540, 799087, 1031080, 1598174, 3196348, 3995435, 6392696, 7990870, 15981740, 31963480]

約数ペア:

[(1, 31963480), (2, 15981740), (4, 7990870), (5, 6392696), (8, 3995435), (10, 3196348), (20, 1598174), (31, 1031080), (40, 799087), (62, 515540), (124, 257770), (149, 214520), (155, 206216), (173, 184760), (248, 128885), (298, 107260), (310, 103108), (346, 92380), (596, 53630), (620, 51554), (692, 46190), (745, 42904), (865, 36952), (1192, 26815), (1240, 25777), (1384, 23095), (1490, 21452), (1730, 18476), (2980, 10726), (3460, 9238), (4619, 6920), (5363, 5960)]