25689140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{1009}}^1$

素因数の和:1104

約数の個数: 48

約数和(自身を含む): 57691200

約数和(自身を除く): 32002060

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 380, 670, 1009, 1273, 1340, 2018, 2546, 4036, 5045, 5092, 6365, 10090, 12730, 19171, 20180, 25460, 38342, 67603, 76684, 95855, 135206, 191710, 270412, 338015, 383420, 676030, 1284457, 1352060, 2568914, 5137828, 6422285, 12844570, 25689140]

約数ペア:

[(1, 25689140), (2, 12844570), (4, 6422285), (5, 5137828), (10, 2568914), (19, 1352060), (20, 1284457), (38, 676030), (67, 383420), (76, 338015), (95, 270412), (134, 191710), (190, 135206), (268, 95855), (335, 76684), (380, 67603), (670, 38342), (1009, 25460), (1273, 20180), (1340, 19171), (2018, 12730), (2546, 10090), (4036, 6365), (5045, 5092)]