8861080

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{157}}^1$

素因数の和:268

約数の個数: 64

約数和(自身を含む): 21500640

約数和(自身を除く): 12639560

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 83, 85, 136, 157, 166, 170, 314, 332, 340, 415, 628, 664, 680, 785, 830, 1256, 1411, 1570, 1660, 2669, 2822, 3140, 3320, 5338, 5644, 6280, 7055, 10676, 11288, 13031, 13345, 14110, 21352, 26062, 26690, 28220, 52124, 53380, 56440, 65155, 104248, 106760, 130310, 221527, 260620, 443054, 521240, 886108, 1107635, 1772216, 2215270, 4430540, 8861080]

約数ペア:

[(1, 8861080), (2, 4430540), (4, 2215270), (5, 1772216), (8, 1107635), (10, 886108), (17, 521240), (20, 443054), (34, 260620), (40, 221527), (68, 130310), (83, 106760), (85, 104248), (136, 65155), (157, 56440), (166, 53380), (170, 52124), (314, 28220), (332, 26690), (340, 26062), (415, 21352), (628, 14110), (664, 13345), (680, 13031), (785, 11288), (830, 10676), (1256, 7055), (1411, 6280), (1570, 5644), (1660, 5338), (2669, 3320), (2822, 3140)]