86789820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{111269}}^1$

素因数の和:111294

約数の個数: 48

約数和(自身を含む): 261707040

約数和(自身を除く): 174917220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 111269, 222538, 333807, 445076, 556345, 667614, 1112690, 1335228, 1446497, 1669035, 2225380, 2892994, 3338070, 4339491, 5785988, 6676140, 7232485, 8678982, 14464970, 17357964, 21697455, 28929940, 43394910, 86789820]

約数ペア:

[(1, 86789820), (2, 43394910), (3, 28929940), (4, 21697455), (5, 17357964), (6, 14464970), (10, 8678982), (12, 7232485), (13, 6676140), (15, 5785988), (20, 4339491), (26, 3338070), (30, 2892994), (39, 2225380), (52, 1669035), (60, 1446497), (65, 1335228), (78, 1112690), (130, 667614), (156, 556345), (195, 445076), (260, 333807), (390, 222538), (780, 111269)]