16604240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{421}}^1$

素因数の和:480

約数の個数: 80

約数和(自身を含む): 42385680

約数和(自身を除く): 25781440

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, 421, 464, 493, 580, 680, 842, 986, 1160, 1360, 1684, 1972, 2105, 2320, 2465, 3368, 3944, 4210, 4930, 6736, 7157, 7888, 8420, 9860, 12209, 14314, 16840, 19720, 24418, 28628, 33680, 35785, 39440, 48836, 57256, 61045, 71570, 97672, 114512, 122090, 143140, 195344, 207553, 244180, 286280, 415106, 488360, 572560, 830212, 976720, 1037765, 1660424, 2075530, 3320848, 4151060, 8302120, 16604240]

約数ペア:

[(1, 16604240), (2, 8302120), (4, 4151060), (5, 3320848), (8, 2075530), (10, 1660424), (16, 1037765), (17, 976720), (20, 830212), (29, 572560), (34, 488360), (40, 415106), (58, 286280), (68, 244180), (80, 207553), (85, 195344), (116, 143140), (136, 122090), (145, 114512), (170, 97672), (232, 71570), (272, 61045), (290, 57256), (340, 48836), (421, 39440), (464, 35785), (493, 33680), (580, 28628), (680, 24418), (842, 19720), (986, 16840), (1160, 14314), (1360, 12209), (1684, 9860), (1972, 8420), (2105, 7888), (2320, 7157), (2465, 6736), (3368, 4930), (3944, 4210)]