128512520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{11117}}^1$

素因数の和:11162

約数の個数: 48

約数和(自身を含む): 307190340

約数和(自身を除く): 178677820

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 11117, 11560, 22234, 44468, 55585, 88936, 111170, 188989, 222340, 377978, 444680, 755956, 944945, 1511912, 1889890, 3212813, 3779780, 6425626, 7559560, 12851252, 16064065, 25702504, 32128130, 64256260, 128512520]

約数ペア:

[(1, 128512520), (2, 64256260), (4, 32128130), (5, 25702504), (8, 16064065), (10, 12851252), (17, 7559560), (20, 6425626), (34, 3779780), (40, 3212813), (68, 1889890), (85, 1511912), (136, 944945), (170, 755956), (289, 444680), (340, 377978), (578, 222340), (680, 188989), (1156, 111170), (1445, 88936), (2312, 55585), (2890, 44468), (5780, 22234), (11117, 11560)]