61587500

素因数分解:

$2^2\times 5^5\times {\mathrm{13}}^1\times {\mathrm{379}}^1$

素因数の和:421

約数の個数: 72

約数和(自身を含む): 145459440

約数和(自身を除く): 83871940

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 379, 500, 625, 650, 758, 1250, 1300, 1516, 1625, 1895, 2500, 3125, 3250, 3790, 4927, 6250, 6500, 7580, 8125, 9475, 9854, 12500, 16250, 18950, 19708, 24635, 32500, 37900, 40625, 47375, 49270, 81250, 94750, 98540, 123175, 162500, 189500, 236875, 246350, 473750, 492700, 615875, 947500, 1184375, 1231750, 2368750, 2463500, 3079375, 4737500, 6158750, 12317500, 15396875, 30793750, 61587500]

約数ペア:

[(1, 61587500), (2, 30793750), (4, 15396875), (5, 12317500), (10, 6158750), (13, 4737500), (20, 3079375), (25, 2463500), (26, 2368750), (50, 1231750), (52, 1184375), (65, 947500), (100, 615875), (125, 492700), (130, 473750), (250, 246350), (260, 236875), (325, 189500), (379, 162500), (500, 123175), (625, 98540), (650, 94750), (758, 81250), (1250, 49270), (1300, 47375), (1516, 40625), (1625, 37900), (1895, 32500), (2500, 24635), (3125, 19708), (3250, 18950), (3790, 16250), (4927, 12500), (6250, 9854), (6500, 9475), (7580, 8125)]