2021431100

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{797}}^1\times {\mathrm{1951}}^1$

素因数の和:2775

約数の個数: 72

約数和(自身を含む): 4732280448

約数和(自身を除く): 2710849348

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 797, 1300, 1594, 1951, 3188, 3902, 3985, 7804, 7970, 9755, 10361, 15940, 19510, 19925, 20722, 25363, 39020, 39850, 41444, 48775, 50726, 51805, 79700, 97550, 101452, 103610, 126815, 195100, 207220, 253630, 259025, 507260, 518050, 634075, 1036100, 1268150, 1554947, 2536300, 3109894, 6219788, 7774735, 15549470, 20214311, 31098940, 38873675, 40428622, 77747350, 80857244, 101071555, 155494700, 202143110, 404286220, 505357775, 1010715550, 2021431100]

約数ペア:

[(1, 2021431100), (2, 1010715550), (4, 505357775), (5, 404286220), (10, 202143110), (13, 155494700), (20, 101071555), (25, 80857244), (26, 77747350), (50, 40428622), (52, 38873675), (65, 31098940), (100, 20214311), (130, 15549470), (260, 7774735), (325, 6219788), (650, 3109894), (797, 2536300), (1300, 1554947), (1594, 1268150), (1951, 1036100), (3188, 634075), (3902, 518050), (3985, 507260), (7804, 259025), (7970, 253630), (9755, 207220), (10361, 195100), (15940, 126815), (19510, 103610), (19925, 101452), (20722, 97550), (25363, 79700), (39020, 51805), (39850, 50726), (41444, 48775)]