12912520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1117}}^1$

素因数の和:1162

約数の個数: 48

約数和(自身を含む): 30890340

約数和(自身を除く): 17977820

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1117, 1156, 1445, 2234, 2312, 2890, 4468, 5585, 5780, 8936, 11170, 11560, 18989, 22340, 37978, 44680, 75956, 94945, 151912, 189890, 322813, 379780, 645626, 759560, 1291252, 1614065, 2582504, 3228130, 6456260, 12912520]

約数ペア:

[(1, 12912520), (2, 6456260), (4, 3228130), (5, 2582504), (8, 1614065), (10, 1291252), (17, 759560), (20, 645626), (34, 379780), (40, 322813), (68, 189890), (85, 151912), (136, 94945), (170, 75956), (289, 44680), (340, 37978), (578, 22340), (680, 18989), (1117, 11560), (1156, 11170), (1445, 8936), (2234, 5780), (2312, 5585), (2890, 4468)]