42399760

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{691}}^1$

素因数の和:776

約数の個数: 80

約数和(自身を含む): 108118080

約数和(自身を除く): 65718320

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 59, 65, 80, 104, 118, 130, 208, 236, 260, 295, 472, 520, 590, 691, 767, 944, 1040, 1180, 1382, 1534, 2360, 2764, 3068, 3455, 3835, 4720, 5528, 6136, 6910, 7670, 8983, 11056, 12272, 13820, 15340, 17966, 27640, 30680, 35932, 40769, 44915, 55280, 61360, 71864, 81538, 89830, 143728, 163076, 179660, 203845, 326152, 359320, 407690, 529997, 652304, 718640, 815380, 1059994, 1630760, 2119988, 2649985, 3261520, 4239976, 5299970, 8479952, 10599940, 21199880, 42399760]

約数ペア:

[(1, 42399760), (2, 21199880), (4, 10599940), (5, 8479952), (8, 5299970), (10, 4239976), (13, 3261520), (16, 2649985), (20, 2119988), (26, 1630760), (40, 1059994), (52, 815380), (59, 718640), (65, 652304), (80, 529997), (104, 407690), (118, 359320), (130, 326152), (208, 203845), (236, 179660), (260, 163076), (295, 143728), (472, 89830), (520, 81538), (590, 71864), (691, 61360), (767, 55280), (944, 44915), (1040, 40769), (1180, 35932), (1382, 30680), (1534, 27640), (2360, 17966), (2764, 15340), (3068, 13820), (3455, 12272), (3835, 11056), (4720, 8983), (5528, 7670), (6136, 6910)]