8082120980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{659}}^1$

素因数の和:981

約数の個数: 96

約数和(自身を含む): 17797570560

約数和(自身を除く): 9715449580

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 151, 155, 262, 302, 310, 524, 604, 620, 655, 659, 755, 1310, 1318, 1510, 2620, 2636, 3020, 3295, 4061, 4681, 6590, 8122, 9362, 13180, 16244, 18724, 19781, 20305, 20429, 23405, 39562, 40610, 40858, 46810, 79124, 81220, 81716, 86329, 93620, 98905, 99509, 102145, 172658, 197810, 199018, 204290, 345316, 395620, 398036, 408580, 431645, 497545, 613211, 863290, 995090, 1226422, 1726580, 1990180, 2452844, 2676199, 3066055, 3084779, 5352398, 6132110, 6169558, 10704796, 12264220, 12339116, 13035679, 13380995, 15423895, 26071358, 26761990, 30847790, 52142716, 53523980, 61695580, 65178395, 130356790, 260713580, 404106049, 808212098, 1616424196, 2020530245, 4041060490, 8082120980]

約数ペア:

[(1, 8082120980), (2, 4041060490), (4, 2020530245), (5, 1616424196), (10, 808212098), (20, 404106049), (31, 260713580), (62, 130356790), (124, 65178395), (131, 61695580), (151, 53523980), (155, 52142716), (262, 30847790), (302, 26761990), (310, 26071358), (524, 15423895), (604, 13380995), (620, 13035679), (655, 12339116), (659, 12264220), (755, 10704796), (1310, 6169558), (1318, 6132110), (1510, 5352398), (2620, 3084779), (2636, 3066055), (3020, 2676199), (3295, 2452844), (4061, 1990180), (4681, 1726580), (6590, 1226422), (8122, 995090), (9362, 863290), (13180, 613211), (16244, 497545), (18724, 431645), (19781, 408580), (20305, 398036), (20429, 395620), (23405, 345316), (39562, 204290), (40610, 199018), (40858, 197810), (46810, 172658), (79124, 102145), (81220, 99509), (81716, 98905), (86329, 93620)]