20115942625

素因数分解:

$5^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{173}}^1\times {\mathrm{811}}^1$

素因数の和:1067

約数の個数: 64

約数和(自身を含む): 26801768448

約数和(自身を除く): 6685825823

約数列:

[1, 5, 25, 31, 37, 125, 155, 173, 185, 775, 811, 865, 925, 1147, 3875, 4055, 4325, 4625, 5363, 5735, 6401, 20275, 21625, 25141, 26815, 28675, 30007, 32005, 101375, 125705, 134075, 140303, 143375, 150035, 160025, 198431, 628525, 670375, 701515, 750175, 800125, 930217, 992155, 3142625, 3507575, 3750875, 4349393, 4651085, 4960775, 5191211, 17537875, 21746965, 23255425, 24803875, 25956055, 108734825, 116277125, 129780275, 160927541, 543674125, 648901375, 804637705, 4023188525, 20115942625]

約数ペア:

[(1, 20115942625), (5, 4023188525), (25, 804637705), (31, 648901375), (37, 543674125), (125, 160927541), (155, 129780275), (173, 116277125), (185, 108734825), (775, 25956055), (811, 24803875), (865, 23255425), (925, 21746965), (1147, 17537875), (3875, 5191211), (4055, 4960775), (4325, 4651085), (4625, 4349393), (5363, 3750875), (5735, 3507575), (6401, 3142625), (20275, 992155), (21625, 930217), (25141, 800125), (26815, 750175), (28675, 701515), (30007, 670375), (32005, 628525), (101375, 198431), (125705, 160025), (134075, 150035), (140303, 143375)]