108777640

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:590

約数の個数: 64

約数和(自身を含む): 251658000

約数和(自身を除く): 142880360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 109, 122, 218, 244, 305, 409, 436, 488, 545, 610, 818, 872, 1090, 1220, 1636, 2045, 2180, 2440, 3272, 4090, 4360, 6649, 8180, 13298, 16360, 24949, 26596, 33245, 44581, 49898, 53192, 66490, 89162, 99796, 124745, 132980, 178324, 199592, 222905, 249490, 265960, 356648, 445810, 498980, 891620, 997960, 1783240, 2719441, 5438882, 10877764, 13597205, 21755528, 27194410, 54388820, 108777640]

約数ペア:

[(1, 108777640), (2, 54388820), (4, 27194410), (5, 21755528), (8, 13597205), (10, 10877764), (20, 5438882), (40, 2719441), (61, 1783240), (109, 997960), (122, 891620), (218, 498980), (244, 445810), (305, 356648), (409, 265960), (436, 249490), (488, 222905), (545, 199592), (610, 178324), (818, 132980), (872, 124745), (1090, 99796), (1220, 89162), (1636, 66490), (2045, 53192), (2180, 49898), (2440, 44581), (3272, 33245), (4090, 26596), (4360, 24949), (6649, 16360), (8180, 13298)]