31433680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{797}}^1$

素因数の和:856

約数の個数: 80

約数和(自身を含む): 80151120

約数和(自身を除く): 48717440

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 29, 34, 40, 58, 68, 80, 85, 116, 136, 145, 170, 232, 272, 290, 340, 464, 493, 580, 680, 797, 986, 1160, 1360, 1594, 1972, 2320, 2465, 3188, 3944, 3985, 4930, 6376, 7888, 7970, 9860, 12752, 13549, 15940, 19720, 23113, 27098, 31880, 39440, 46226, 54196, 63760, 67745, 92452, 108392, 115565, 135490, 184904, 216784, 231130, 270980, 369808, 392921, 462260, 541960, 785842, 924520, 1083920, 1571684, 1849040, 1964605, 3143368, 3929210, 6286736, 7858420, 15716840, 31433680]

約数ペア:

[(1, 31433680), (2, 15716840), (4, 7858420), (5, 6286736), (8, 3929210), (10, 3143368), (16, 1964605), (17, 1849040), (20, 1571684), (29, 1083920), (34, 924520), (40, 785842), (58, 541960), (68, 462260), (80, 392921), (85, 369808), (116, 270980), (136, 231130), (145, 216784), (170, 184904), (232, 135490), (272, 115565), (290, 108392), (340, 92452), (464, 67745), (493, 63760), (580, 54196), (680, 46226), (797, 39440), (986, 31880), (1160, 27098), (1360, 23113), (1594, 19720), (1972, 15940), (2320, 13549), (2465, 12752), (3188, 9860), (3944, 7970), (3985, 7888), (4930, 6376)]