25711940

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{953}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 57697920

約数和(自身を除く): 31985980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 71, 76, 95, 142, 190, 284, 355, 380, 710, 953, 1349, 1420, 1906, 2698, 3812, 4765, 5396, 6745, 9530, 13490, 18107, 19060, 26980, 36214, 67663, 72428, 90535, 135326, 181070, 270652, 338315, 362140, 676630, 1285597, 1353260, 2571194, 5142388, 6427985, 12855970, 25711940]

約数ペア:

[(1, 25711940), (2, 12855970), (4, 6427985), (5, 5142388), (10, 2571194), (19, 1353260), (20, 1285597), (38, 676630), (71, 362140), (76, 338315), (95, 270652), (142, 181070), (190, 135326), (284, 90535), (355, 72428), (380, 67663), (710, 36214), (953, 26980), (1349, 19060), (1420, 18107), (1906, 13490), (2698, 9530), (3812, 6745), (4765, 5396)]