2272772080

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{109}}^1\times {\mathrm{2687}}^1$

素因数の和:2906

約数の個数: 80

約数和(自身を含む): 5389655040

約数和(自身を除く): 3116882960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 109, 194, 218, 388, 436, 485, 545, 776, 872, 970, 1090, 1552, 1744, 1940, 2180, 2687, 3880, 4360, 5374, 7760, 8720, 10573, 10748, 13435, 21146, 21496, 26870, 42292, 42992, 52865, 53740, 84584, 105730, 107480, 169168, 211460, 214960, 260639, 292883, 422920, 521278, 585766, 845840, 1042556, 1171532, 1303195, 1464415, 2085112, 2343064, 2606390, 2928830, 4170224, 4686128, 5212780, 5857660, 10425560, 11715320, 20851120, 23430640, 28409651, 56819302, 113638604, 142048255, 227277208, 284096510, 454554416, 568193020, 1136386040, 2272772080]

約数ペア:

[(1, 2272772080), (2, 1136386040), (4, 568193020), (5, 454554416), (8, 284096510), (10, 227277208), (16, 142048255), (20, 113638604), (40, 56819302), (80, 28409651), (97, 23430640), (109, 20851120), (194, 11715320), (218, 10425560), (388, 5857660), (436, 5212780), (485, 4686128), (545, 4170224), (776, 2928830), (872, 2606390), (970, 2343064), (1090, 2085112), (1552, 1464415), (1744, 1303195), (1940, 1171532), (2180, 1042556), (2687, 845840), (3880, 585766), (4360, 521278), (5374, 422920), (7760, 292883), (8720, 260639), (10573, 214960), (10748, 211460), (13435, 169168), (21146, 107480), (21496, 105730), (26870, 84584), (42292, 53740), (42992, 52865)]