66547780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311}}^1\times {\mathrm{823}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 151167744

約数和(自身を除く): 84619964

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 311, 622, 823, 1244, 1555, 1646, 3110, 3292, 4043, 4115, 6220, 8086, 8230, 10699, 16172, 16460, 20215, 21398, 40430, 42796, 53495, 80860, 106990, 213980, 255953, 511906, 1023812, 1279765, 2559530, 3327389, 5119060, 6654778, 13309556, 16636945, 33273890, 66547780]

約数ペア:

[(1, 66547780), (2, 33273890), (4, 16636945), (5, 13309556), (10, 6654778), (13, 5119060), (20, 3327389), (26, 2559530), (52, 1279765), (65, 1023812), (130, 511906), (260, 255953), (311, 213980), (622, 106990), (823, 80860), (1244, 53495), (1555, 42796), (1646, 40430), (3110, 21398), (3292, 20215), (4043, 16460), (4115, 16172), (6220, 10699), (8086, 8230)]