79639160

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{127}}^1\times {\mathrm{257}}^1$

素因数の和:456

約数の個数: 64

約数和(自身を含む): 184273920

約数和(自身を除く): 104634760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 127, 244, 254, 257, 305, 488, 508, 514, 610, 635, 1016, 1028, 1220, 1270, 1285, 2056, 2440, 2540, 2570, 5080, 5140, 7747, 10280, 15494, 15677, 30988, 31354, 32639, 38735, 61976, 62708, 65278, 77470, 78385, 125416, 130556, 154940, 156770, 163195, 261112, 309880, 313540, 326390, 627080, 652780, 1305560, 1990979, 3981958, 7963916, 9954895, 15927832, 19909790, 39819580, 79639160]

約数ペア:

[(1, 79639160), (2, 39819580), (4, 19909790), (5, 15927832), (8, 9954895), (10, 7963916), (20, 3981958), (40, 1990979), (61, 1305560), (122, 652780), (127, 627080), (244, 326390), (254, 313540), (257, 309880), (305, 261112), (488, 163195), (508, 156770), (514, 154940), (610, 130556), (635, 125416), (1016, 78385), (1028, 77470), (1220, 65278), (1270, 62708), (1285, 61976), (2056, 38735), (2440, 32639), (2540, 31354), (2570, 30988), (5080, 15677), (5140, 15494), (7747, 10280)]