78973040

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{16183}}^1$

素因数の和:16257

約数の個数: 40

約数和(自身を含む): 186633888

約数和(自身を除く): 107660848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 16183, 32366, 64732, 80915, 129464, 161830, 258928, 323660, 647320, 987163, 1294640, 1974326, 3948652, 4935815, 7897304, 9871630, 15794608, 19743260, 39486520, 78973040]

約数ペア:

[(1, 78973040), (2, 39486520), (4, 19743260), (5, 15794608), (8, 9871630), (10, 7897304), (16, 4935815), (20, 3948652), (40, 1974326), (61, 1294640), (80, 987163), (122, 647320), (244, 323660), (305, 258928), (488, 161830), (610, 129464), (976, 80915), (1220, 64732), (2440, 32366), (4880, 16183)]