20131910320

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{619}}^1\times {\mathrm{3947}}^1$

素因数の和:4682

約数の個数: 80

約数和(自身を含む): 47349469440

約数和(自身を除く): 27217559120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 619, 824, 1030, 1238, 1648, 2060, 2476, 3095, 3947, 4120, 4952, 6190, 7894, 8240, 9904, 12380, 15788, 19735, 24760, 31576, 39470, 49520, 63152, 63757, 78940, 127514, 157880, 255028, 315760, 318785, 406541, 510056, 637570, 813082, 1020112, 1275140, 1626164, 2032705, 2443193, 2550280, 3252328, 4065410, 4886386, 5100560, 6504656, 8130820, 9772772, 12215965, 16261640, 19545544, 24431930, 32523280, 39091088, 48863860, 97727720, 195455440, 251648879, 503297758, 1006595516, 1258244395, 2013191032, 2516488790, 4026382064, 5032977580, 10065955160, 20131910320]

約数ペア:

[(1, 20131910320), (2, 10065955160), (4, 5032977580), (5, 4026382064), (8, 2516488790), (10, 2013191032), (16, 1258244395), (20, 1006595516), (40, 503297758), (80, 251648879), (103, 195455440), (206, 97727720), (412, 48863860), (515, 39091088), (619, 32523280), (824, 24431930), (1030, 19545544), (1238, 16261640), (1648, 12215965), (2060, 9772772), (2476, 8130820), (3095, 6504656), (3947, 5100560), (4120, 4886386), (4952, 4065410), (6190, 3252328), (7894, 2550280), (8240, 2443193), (9904, 2032705), (12380, 1626164), (15788, 1275140), (19735, 1020112), (24760, 813082), (31576, 637570), (39470, 510056), (49520, 406541), (63152, 318785), (63757, 315760), (78940, 255028), (127514, 157880)]