48496520

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 112320000

約数和(自身を除く): 63823480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 103, 149, 158, 206, 298, 316, 395, 412, 515, 596, 632, 745, 790, 824, 1030, 1192, 1490, 1580, 2060, 2980, 3160, 4120, 5960, 8137, 11771, 15347, 16274, 23542, 30694, 32548, 40685, 47084, 58855, 61388, 65096, 76735, 81370, 94168, 117710, 122776, 153470, 162740, 235420, 306940, 325480, 470840, 613880, 1212413, 2424826, 4849652, 6062065, 9699304, 12124130, 24248260, 48496520]

約数ペア:

[(1, 48496520), (2, 24248260), (4, 12124130), (5, 9699304), (8, 6062065), (10, 4849652), (20, 2424826), (40, 1212413), (79, 613880), (103, 470840), (149, 325480), (158, 306940), (206, 235420), (298, 162740), (316, 153470), (395, 122776), (412, 117710), (515, 94168), (596, 81370), (632, 76735), (745, 65096), (790, 61388), (824, 58855), (1030, 47084), (1192, 40685), (1490, 32548), (1580, 30694), (2060, 23542), (2980, 16274), (3160, 15347), (4120, 11771), (5960, 8137)]