40098880

素因数分解:

$2^6\times 5^1\times {\mathrm{29}}^2\times {\mathrm{149}}^1$

素因数の和:224

約数の個数: 84

約数和(自身を含む): 99555300

約数和(自身を除く): 59456420

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 145, 149, 160, 232, 290, 298, 320, 464, 580, 596, 745, 841, 928, 1160, 1192, 1490, 1682, 1856, 2320, 2384, 2980, 3364, 4205, 4321, 4640, 4768, 5960, 6728, 8410, 8642, 9280, 9536, 11920, 13456, 16820, 17284, 21605, 23840, 26912, 33640, 34568, 43210, 47680, 53824, 67280, 69136, 86420, 125309, 134560, 138272, 172840, 250618, 269120, 276544, 345680, 501236, 626545, 691360, 1002472, 1253090, 1382720, 2004944, 2506180, 4009888, 5012360, 8019776, 10024720, 20049440, 40098880]

約数ペア:

[(1, 40098880), (2, 20049440), (4, 10024720), (5, 8019776), (8, 5012360), (10, 4009888), (16, 2506180), (20, 2004944), (29, 1382720), (32, 1253090), (40, 1002472), (58, 691360), (64, 626545), (80, 501236), (116, 345680), (145, 276544), (149, 269120), (160, 250618), (232, 172840), (290, 138272), (298, 134560), (320, 125309), (464, 86420), (580, 69136), (596, 67280), (745, 53824), (841, 47680), (928, 43210), (1160, 34568), (1192, 33640), (1490, 26912), (1682, 23840), (1856, 21605), (2320, 17284), (2384, 16820), (2980, 13456), (3364, 11920), (4205, 9536), (4321, 9280), (4640, 8642), (4768, 8410), (5960, 6728)]