86864020

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{283}}^1$

素因数の和:544

約数の個数: 48

約数和(自身を含む): 186076800

約数和(自身を除く): 99212780

約数列:

[1, 2, 4, 5, 10, 20, 103, 149, 206, 283, 298, 412, 515, 566, 596, 745, 1030, 1132, 1415, 1490, 2060, 2830, 2980, 5660, 15347, 29149, 30694, 42167, 58298, 61388, 76735, 84334, 116596, 145745, 153470, 168668, 210835, 291490, 306940, 421670, 582980, 843340, 4343201, 8686402, 17372804, 21716005, 43432010, 86864020]

約数ペア:

[(1, 86864020), (2, 43432010), (4, 21716005), (5, 17372804), (10, 8686402), (20, 4343201), (103, 843340), (149, 582980), (206, 421670), (283, 306940), (298, 291490), (412, 210835), (515, 168668), (566, 153470), (596, 145745), (745, 116596), (1030, 84334), (1132, 76735), (1415, 61388), (1490, 58298), (2060, 42167), (2830, 30694), (2980, 29149), (5660, 15347)]