38461720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1433}}^1$

素因数の和:1516

約数の個数: 64

約数和(自身を含む): 96020640

約数和(自身を除く): 57558920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 61, 88, 110, 122, 220, 244, 305, 440, 488, 610, 671, 1220, 1342, 1433, 2440, 2684, 2866, 3355, 5368, 5732, 6710, 7165, 11464, 13420, 14330, 15763, 26840, 28660, 31526, 57320, 63052, 78815, 87413, 126104, 157630, 174826, 315260, 349652, 437065, 630520, 699304, 874130, 961543, 1748260, 1923086, 3496520, 3846172, 4807715, 7692344, 9615430, 19230860, 38461720]

約数ペア:

[(1, 38461720), (2, 19230860), (4, 9615430), (5, 7692344), (8, 4807715), (10, 3846172), (11, 3496520), (20, 1923086), (22, 1748260), (40, 961543), (44, 874130), (55, 699304), (61, 630520), (88, 437065), (110, 349652), (122, 315260), (220, 174826), (244, 157630), (305, 126104), (440, 87413), (488, 78815), (610, 63052), (671, 57320), (1220, 31526), (1342, 28660), (1433, 26840), (2440, 15763), (2684, 14330), (2866, 13420), (3355, 11464), (5368, 7165), (5732, 6710)]