51258980

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1$

素因数の和:428

約数の個数: 48

約数和(自身を含む): 110073600

約数和(自身を除く): 58814620

約数列:

[1, 2, 4, 5, 10, 20, 103, 149, 167, 206, 298, 334, 412, 515, 596, 668, 745, 835, 1030, 1490, 1670, 2060, 2980, 3340, 15347, 17201, 24883, 30694, 34402, 49766, 61388, 68804, 76735, 86005, 99532, 124415, 153470, 172010, 248830, 306940, 344020, 497660, 2562949, 5125898, 10251796, 12814745, 25629490, 51258980]

約数ペア:

[(1, 51258980), (2, 25629490), (4, 12814745), (5, 10251796), (10, 5125898), (20, 2562949), (103, 497660), (149, 344020), (167, 306940), (206, 248830), (298, 172010), (334, 153470), (412, 124415), (515, 99532), (596, 86005), (668, 76735), (745, 68804), (835, 61388), (1030, 49766), (1490, 34402), (1670, 30694), (2060, 24883), (2980, 17201), (3340, 15347)]