80581400

素因数分解:

$2^3\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:405

約数の個数: 96

約数和(自身を含む): 198737280

約数和(自身を除く): 118155880

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 31, 40, 41, 50, 62, 82, 100, 124, 155, 164, 200, 205, 248, 310, 317, 328, 410, 620, 634, 775, 820, 1025, 1240, 1268, 1271, 1550, 1585, 1640, 2050, 2536, 2542, 3100, 3170, 4100, 5084, 6200, 6340, 6355, 7925, 8200, 9827, 10168, 12680, 12710, 12997, 15850, 19654, 25420, 25994, 31700, 31775, 39308, 49135, 50840, 51988, 63400, 63550, 64985, 78616, 98270, 103976, 127100, 129970, 196540, 245675, 254200, 259940, 324925, 393080, 402907, 491350, 519880, 649850, 805814, 982700, 1299700, 1611628, 1965400, 2014535, 2599400, 3223256, 4029070, 8058140, 10072675, 16116280, 20145350, 40290700, 80581400]

約数ペア:

[(1, 80581400), (2, 40290700), (4, 20145350), (5, 16116280), (8, 10072675), (10, 8058140), (20, 4029070), (25, 3223256), (31, 2599400), (40, 2014535), (41, 1965400), (50, 1611628), (62, 1299700), (82, 982700), (100, 805814), (124, 649850), (155, 519880), (164, 491350), (200, 402907), (205, 393080), (248, 324925), (310, 259940), (317, 254200), (328, 245675), (410, 196540), (620, 129970), (634, 127100), (775, 103976), (820, 98270), (1025, 78616), (1240, 64985), (1268, 63550), (1271, 63400), (1550, 51988), (1585, 50840), (1640, 49135), (2050, 39308), (2536, 31775), (2542, 31700), (3100, 25994), (3170, 25420), (4100, 19654), (5084, 15850), (6200, 12997), (6340, 12710), (6355, 12680), (7925, 10168), (8200, 9827)]