20211132500

素因数分解:

$2^2\times 5^4\times {\mathrm{13}}^2\times {\mathrm{47837}}^1$

素因数の和:47887

約数の個数: 90

約数和(自身を含む): 47860053318

約数和(自身を除く): 27648920818

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 169, 250, 260, 325, 338, 500, 625, 650, 676, 845, 1250, 1300, 1625, 1690, 2500, 3250, 3380, 4225, 6500, 8125, 8450, 16250, 16900, 21125, 32500, 42250, 47837, 84500, 95674, 105625, 191348, 211250, 239185, 422500, 478370, 621881, 956740, 1195925, 1243762, 2391850, 2487524, 3109405, 4783700, 5979625, 6218810, 8084453, 11959250, 12437620, 15547025, 16168906, 23918500, 29898125, 31094050, 32337812, 40422265, 59796250, 62188100, 77735125, 80844530, 119592500, 155470250, 161689060, 202111325, 310940500, 388675625, 404222650, 777351250, 808445300, 1010556625, 1554702500, 2021113250, 4042226500, 5052783125, 10105566250, 20211132500]

約数ペア:

[(1, 20211132500), (2, 10105566250), (4, 5052783125), (5, 4042226500), (10, 2021113250), (13, 1554702500), (20, 1010556625), (25, 808445300), (26, 777351250), (50, 404222650), (52, 388675625), (65, 310940500), (100, 202111325), (125, 161689060), (130, 155470250), (169, 119592500), (250, 80844530), (260, 77735125), (325, 62188100), (338, 59796250), (500, 40422265), (625, 32337812), (650, 31094050), (676, 29898125), (845, 23918500), (1250, 16168906), (1300, 15547025), (1625, 12437620), (1690, 11959250), (2500, 8084453), (3250, 6218810), (3380, 5979625), (4225, 4783700), (6500, 3109405), (8125, 2487524), (8450, 2391850), (16250, 1243762), (16900, 1195925), (21125, 956740), (32500, 621881), (42250, 478370), (47837, 422500), (84500, 239185), (95674, 211250), (105625, 191348)]