4245280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{157}}^1$

素因数の和:198

約数の個数: 72

約数和(自身を含む): 10929492

約数和(自身を除く): 6684212

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 157, 160, 169, 208, 260, 314, 338, 416, 520, 628, 676, 785, 845, 1040, 1256, 1352, 1570, 1690, 2041, 2080, 2512, 2704, 3140, 3380, 4082, 5024, 5408, 6280, 6760, 8164, 10205, 12560, 13520, 16328, 20410, 25120, 26533, 27040, 32656, 40820, 53066, 65312, 81640, 106132, 132665, 163280, 212264, 265330, 326560, 424528, 530660, 849056, 1061320, 2122640, 4245280]

約数ペア:

[(1, 4245280), (2, 2122640), (4, 1061320), (5, 849056), (8, 530660), (10, 424528), (13, 326560), (16, 265330), (20, 212264), (26, 163280), (32, 132665), (40, 106132), (52, 81640), (65, 65312), (80, 53066), (104, 40820), (130, 32656), (157, 27040), (160, 26533), (169, 25120), (208, 20410), (260, 16328), (314, 13520), (338, 12560), (416, 10205), (520, 8164), (628, 6760), (676, 6280), (785, 5408), (845, 5024), (1040, 4082), (1256, 3380), (1352, 3140), (1570, 2704), (1690, 2512), (2041, 2080)]