40297520

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{16249}}^1$

素因数の和:16293

約数の個数: 40

約数和(自身を含む): 96720000

約数和(自身を除く): 56422480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 16249, 32498, 64996, 81245, 129992, 162490, 259984, 324980, 503719, 649960, 1007438, 1299920, 2014876, 2518595, 4029752, 5037190, 8059504, 10074380, 20148760, 40297520]

約数ペア:

[(1, 40297520), (2, 20148760), (4, 10074380), (5, 8059504), (8, 5037190), (10, 4029752), (16, 2518595), (20, 2014876), (31, 1299920), (40, 1007438), (62, 649960), (80, 503719), (124, 324980), (155, 259984), (248, 162490), (310, 129992), (496, 81245), (620, 64996), (1240, 32498), (2480, 16249)]