68143580

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{839}}^1$

素因数の和:1010

約数の個数: 48

約数和(自身を含む): 149022720

約数和(自身を除く): 80879140

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 131, 155, 262, 310, 524, 620, 655, 839, 1310, 1678, 2620, 3356, 4061, 4195, 8122, 8390, 16244, 16780, 20305, 26009, 40610, 52018, 81220, 104036, 109909, 130045, 219818, 260090, 439636, 520180, 549545, 1099090, 2198180, 3407179, 6814358, 13628716, 17035895, 34071790, 68143580]

約数ペア:

[(1, 68143580), (2, 34071790), (4, 17035895), (5, 13628716), (10, 6814358), (20, 3407179), (31, 2198180), (62, 1099090), (124, 549545), (131, 520180), (155, 439636), (262, 260090), (310, 219818), (524, 130045), (620, 109909), (655, 104036), (839, 81220), (1310, 52018), (1678, 40610), (2620, 26009), (3356, 20305), (4061, 16780), (4195, 16244), (8122, 8390)]