12776225920

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^2\times {\mathrm{20773}}^1$

素因数の和:20854

約数の個数: 96

約数和(自身を含む): 31561730460

約数和(自身を除く): 18785504540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 961, 992, 1240, 1922, 1984, 2480, 3844, 3968, 4805, 4960, 7688, 9610, 9920, 15376, 19220, 19840, 20773, 30752, 38440, 41546, 61504, 76880, 83092, 103865, 123008, 153760, 166184, 207730, 307520, 332368, 415460, 615040, 643963, 664736, 830920, 1287926, 1329472, 1661840, 2575852, 2658944, 3219815, 3323680, 5151704, 6439630, 6647360, 10303408, 12879260, 13294720, 19962853, 20606816, 25758520, 39925706, 41213632, 51517040, 79851412, 82427264, 99814265, 103034080, 159702824, 199628530, 206068160, 319405648, 399257060, 412136320, 638811296, 798514120, 1277622592, 1597028240, 2555245184, 3194056480, 6388112960, 12776225920]

約数ペア:

[(1, 12776225920), (2, 6388112960), (4, 3194056480), (5, 2555245184), (8, 1597028240), (10, 1277622592), (16, 798514120), (20, 638811296), (31, 412136320), (32, 399257060), (40, 319405648), (62, 206068160), (64, 199628530), (80, 159702824), (124, 103034080), (128, 99814265), (155, 82427264), (160, 79851412), (248, 51517040), (310, 41213632), (320, 39925706), (496, 25758520), (620, 20606816), (640, 19962853), (961, 13294720), (992, 12879260), (1240, 10303408), (1922, 6647360), (1984, 6439630), (2480, 5151704), (3844, 3323680), (3968, 3219815), (4805, 2658944), (4960, 2575852), (7688, 1661840), (9610, 1329472), (9920, 1287926), (15376, 830920), (19220, 664736), (19840, 643963), (20773, 615040), (30752, 415460), (38440, 332368), (41546, 307520), (61504, 207730), (76880, 166184), (83092, 153760), (103865, 123008)]