12955340

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{331}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 29003520

約数和(自身を除く): 16048180

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 103, 190, 206, 331, 380, 412, 515, 662, 1030, 1324, 1655, 1957, 2060, 3310, 3914, 6289, 6620, 7828, 9785, 12578, 19570, 25156, 31445, 34093, 39140, 62890, 68186, 125780, 136372, 170465, 340930, 647767, 681860, 1295534, 2591068, 3238835, 6477670, 12955340]

約数ペア:

[(1, 12955340), (2, 6477670), (4, 3238835), (5, 2591068), (10, 1295534), (19, 681860), (20, 647767), (38, 340930), (76, 170465), (95, 136372), (103, 125780), (190, 68186), (206, 62890), (331, 39140), (380, 34093), (412, 31445), (515, 25156), (662, 19570), (1030, 12578), (1324, 9785), (1655, 7828), (1957, 6620), (2060, 6289), (3310, 3914)]