42420040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^2\times {\mathrm{97}}^1$

素因数の和:179

約数の個数: 96

約数和(自身を含む): 107551080

約数和(自身を除く): 65131040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 97, 104, 116, 130, 145, 194, 232, 260, 290, 377, 388, 485, 520, 580, 754, 776, 841, 970, 1160, 1261, 1508, 1682, 1885, 1940, 2522, 2813, 3016, 3364, 3770, 3880, 4205, 5044, 5626, 6305, 6728, 7540, 8410, 10088, 10933, 11252, 12610, 14065, 15080, 16820, 21866, 22504, 25220, 28130, 33640, 36569, 43732, 50440, 54665, 56260, 73138, 81577, 87464, 109330, 112520, 146276, 163154, 182845, 218660, 292552, 326308, 365690, 407885, 437320, 652616, 731380, 815770, 1060501, 1462760, 1631540, 2121002, 3263080, 4242004, 5302505, 8484008, 10605010, 21210020, 42420040]

約数ペア:

[(1, 42420040), (2, 21210020), (4, 10605010), (5, 8484008), (8, 5302505), (10, 4242004), (13, 3263080), (20, 2121002), (26, 1631540), (29, 1462760), (40, 1060501), (52, 815770), (58, 731380), (65, 652616), (97, 437320), (104, 407885), (116, 365690), (130, 326308), (145, 292552), (194, 218660), (232, 182845), (260, 163154), (290, 146276), (377, 112520), (388, 109330), (485, 87464), (520, 81577), (580, 73138), (754, 56260), (776, 54665), (841, 50440), (970, 43732), (1160, 36569), (1261, 33640), (1508, 28130), (1682, 25220), (1885, 22504), (1940, 21866), (2522, 16820), (2813, 15080), (3016, 14065), (3364, 12610), (3770, 11252), (3880, 10933), (4205, 10088), (5044, 8410), (5626, 7540), (6305, 6728)]