820788512

素因数分解:

$2^5\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{7919}}^1$

素因数の和:8049

約数の個数: 48

約数和(自身を含む): 1676505600

約数和(自身を除く): 855717088

約数列:

[1, 2, 4, 8, 16, 32, 41, 79, 82, 158, 164, 316, 328, 632, 656, 1264, 1312, 2528, 3239, 6478, 7919, 12956, 15838, 25912, 31676, 51824, 63352, 103648, 126704, 253408, 324679, 625601, 649358, 1251202, 1298716, 2502404, 2597432, 5004808, 5194864, 10009616, 10389728, 20019232, 25649641, 51299282, 102598564, 205197128, 410394256, 820788512]

約数ペア:

[(1, 820788512), (2, 410394256), (4, 205197128), (8, 102598564), (16, 51299282), (32, 25649641), (41, 20019232), (79, 10389728), (82, 10009616), (158, 5194864), (164, 5004808), (316, 2597432), (328, 2502404), (632, 1298716), (656, 1251202), (1264, 649358), (1312, 625601), (2528, 324679), (3239, 253408), (6478, 126704), (7919, 103648), (12956, 63352), (15838, 51824), (25912, 31676)]