28231580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{4721}}^1$

素因数の和:4766

約数の個数: 48

約数和(自身を含む): 66636864

約数和(自身を除く): 38405284

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 299, 460, 598, 1196, 1495, 2990, 4721, 5980, 9442, 18884, 23605, 47210, 61373, 94420, 108583, 122746, 217166, 245492, 306865, 434332, 542915, 613730, 1085830, 1227460, 1411579, 2171660, 2823158, 5646316, 7057895, 14115790, 28231580]

約数ペア:

[(1, 28231580), (2, 14115790), (4, 7057895), (5, 5646316), (10, 2823158), (13, 2171660), (20, 1411579), (23, 1227460), (26, 1085830), (46, 613730), (52, 542915), (65, 434332), (92, 306865), (115, 245492), (130, 217166), (230, 122746), (260, 108583), (299, 94420), (460, 61373), (598, 47210), (1196, 23605), (1495, 18884), (2990, 9442), (4721, 5980)]