42020500

素因数分解:

$2^2\times 5^3\times {\mathrm{31}}^1\times {\mathrm{2711}}^1$

素因数の和:2761

約数の個数: 48

約数和(自身を含む): 94768128

約数和(自身を除く): 52747628

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 62, 100, 124, 125, 155, 250, 310, 500, 620, 775, 1550, 2711, 3100, 3875, 5422, 7750, 10844, 13555, 15500, 27110, 54220, 67775, 84041, 135550, 168082, 271100, 336164, 338875, 420205, 677750, 840410, 1355500, 1680820, 2101025, 4202050, 8404100, 10505125, 21010250, 42020500]

約数ペア:

[(1, 42020500), (2, 21010250), (4, 10505125), (5, 8404100), (10, 4202050), (20, 2101025), (25, 1680820), (31, 1355500), (50, 840410), (62, 677750), (100, 420205), (124, 338875), (125, 336164), (155, 271100), (250, 168082), (310, 135550), (500, 84041), (620, 67775), (775, 54220), (1550, 27110), (2711, 15500), (3100, 13555), (3875, 10844), (5422, 7750)]