89451380

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:536

約数の個数: 48

約数和(自身を含む): 191528064

約数和(自身を除く): 102076684

約数列:

[1, 2, 4, 5, 10, 20, 103, 173, 206, 251, 346, 412, 502, 515, 692, 865, 1004, 1030, 1255, 1730, 2060, 2510, 3460, 5020, 17819, 25853, 35638, 43423, 51706, 71276, 86846, 89095, 103412, 129265, 173692, 178190, 217115, 258530, 356380, 434230, 517060, 868460, 4472569, 8945138, 17890276, 22362845, 44725690, 89451380]

約数ペア:

[(1, 89451380), (2, 44725690), (4, 22362845), (5, 17890276), (10, 8945138), (20, 4472569), (103, 868460), (173, 517060), (206, 434230), (251, 356380), (346, 258530), (412, 217115), (502, 178190), (515, 173692), (692, 129265), (865, 103412), (1004, 89095), (1030, 86846), (1255, 71276), (1730, 51706), (2060, 43423), (2510, 35638), (3460, 25853), (5020, 17819)]