23540780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{883}}^1$

素因数の和:966

約数の個数: 48

約数和(自身を含む): 52276224

約数和(自身を除く): 28735444

約数列:

[1, 2, 4, 5, 10, 20, 31, 43, 62, 86, 124, 155, 172, 215, 310, 430, 620, 860, 883, 1333, 1766, 2666, 3532, 4415, 5332, 6665, 8830, 13330, 17660, 26660, 27373, 37969, 54746, 75938, 109492, 136865, 151876, 189845, 273730, 379690, 547460, 759380, 1177039, 2354078, 4708156, 5885195, 11770390, 23540780]

約数ペア:

[(1, 23540780), (2, 11770390), (4, 5885195), (5, 4708156), (10, 2354078), (20, 1177039), (31, 759380), (43, 547460), (62, 379690), (86, 273730), (124, 189845), (155, 151876), (172, 136865), (215, 109492), (310, 75938), (430, 54746), (620, 37969), (860, 27373), (883, 26660), (1333, 17660), (1766, 13330), (2666, 8830), (3532, 6665), (4415, 5332)]