518669680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{5101}}^1$

素因数の和:5186

約数の個数: 80

約数和(自身を含む): 1275418368

約数和(自身を除く): 756748688

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 41, 62, 80, 82, 124, 155, 164, 205, 248, 310, 328, 410, 496, 620, 656, 820, 1240, 1271, 1640, 2480, 2542, 3280, 5084, 5101, 6355, 10168, 10202, 12710, 20336, 20404, 25420, 25505, 40808, 50840, 51010, 81616, 101680, 102020, 158131, 204040, 209141, 316262, 408080, 418282, 632524, 790655, 836564, 1045705, 1265048, 1581310, 1673128, 2091410, 2530096, 3162620, 3346256, 4182820, 6325240, 6483371, 8365640, 12650480, 12966742, 16731280, 25933484, 32416855, 51866968, 64833710, 103733936, 129667420, 259334840, 518669680]

約数ペア:

[(1, 518669680), (2, 259334840), (4, 129667420), (5, 103733936), (8, 64833710), (10, 51866968), (16, 32416855), (20, 25933484), (31, 16731280), (40, 12966742), (41, 12650480), (62, 8365640), (80, 6483371), (82, 6325240), (124, 4182820), (155, 3346256), (164, 3162620), (205, 2530096), (248, 2091410), (310, 1673128), (328, 1581310), (410, 1265048), (496, 1045705), (620, 836564), (656, 790655), (820, 632524), (1240, 418282), (1271, 408080), (1640, 316262), (2480, 209141), (2542, 204040), (3280, 158131), (5084, 102020), (5101, 101680), (6355, 81616), (10168, 51010), (10202, 50840), (12710, 40808), (20336, 25505), (20404, 25420)]