40390640

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^2\times {\mathrm{1747}}^1$

素因数の和:1794

約数の個数: 60

約数和(自身を含む): 99814296

約数和(自身を除く): 59423656

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 289, 340, 578, 680, 1156, 1360, 1445, 1747, 2312, 2890, 3494, 4624, 5780, 6988, 8735, 11560, 13976, 17470, 23120, 27952, 29699, 34940, 59398, 69880, 118796, 139760, 148495, 237592, 296990, 475184, 504883, 593980, 1009766, 1187960, 2019532, 2375920, 2524415, 4039064, 5048830, 8078128, 10097660, 20195320, 40390640]

約数ペア:

[(1, 40390640), (2, 20195320), (4, 10097660), (5, 8078128), (8, 5048830), (10, 4039064), (16, 2524415), (17, 2375920), (20, 2019532), (34, 1187960), (40, 1009766), (68, 593980), (80, 504883), (85, 475184), (136, 296990), (170, 237592), (272, 148495), (289, 139760), (340, 118796), (578, 69880), (680, 59398), (1156, 34940), (1360, 29699), (1445, 27952), (1747, 23120), (2312, 17470), (2890, 13976), (3494, 11560), (4624, 8735), (5780, 6988)]