20174386040

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{32941}}^1$

素因数の和:33264

約数の個数: 64

約数和(自身を含む): 46321722720

約数和(自身を除く): 26147336680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 251, 305, 488, 502, 610, 1004, 1220, 1255, 2008, 2440, 2510, 5020, 10040, 15311, 30622, 32941, 61244, 65882, 76555, 122488, 131764, 153110, 164705, 263528, 306220, 329410, 612440, 658820, 1317640, 2009401, 4018802, 8037604, 8268191, 10047005, 16075208, 16536382, 20094010, 33072764, 40188020, 41340955, 66145528, 80376040, 82681910, 165363820, 330727640, 504359651, 1008719302, 2017438604, 2521798255, 4034877208, 5043596510, 10087193020, 20174386040]

約数ペア:

[(1, 20174386040), (2, 10087193020), (4, 5043596510), (5, 4034877208), (8, 2521798255), (10, 2017438604), (20, 1008719302), (40, 504359651), (61, 330727640), (122, 165363820), (244, 82681910), (251, 80376040), (305, 66145528), (488, 41340955), (502, 40188020), (610, 33072764), (1004, 20094010), (1220, 16536382), (1255, 16075208), (2008, 10047005), (2440, 8268191), (2510, 8037604), (5020, 4018802), (10040, 2009401), (15311, 1317640), (30622, 658820), (32941, 612440), (61244, 329410), (65882, 306220), (76555, 263528), (122488, 164705), (131764, 153110)]