80541560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{1123}}^1$

素因数の和:1308

約数の個数: 64

約数和(自身を含む): 199082880

約数和(自身を除く): 118541320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 163, 220, 326, 440, 652, 815, 1123, 1304, 1630, 1793, 2246, 3260, 3586, 4492, 5615, 6520, 7172, 8965, 8984, 11230, 12353, 14344, 17930, 22460, 24706, 35860, 44920, 49412, 61765, 71720, 98824, 123530, 183049, 247060, 366098, 494120, 732196, 915245, 1464392, 1830490, 2013539, 3660980, 4027078, 7321960, 8054156, 10067695, 16108312, 20135390, 40270780, 80541560]

約数ペア:

[(1, 80541560), (2, 40270780), (4, 20135390), (5, 16108312), (8, 10067695), (10, 8054156), (11, 7321960), (20, 4027078), (22, 3660980), (40, 2013539), (44, 1830490), (55, 1464392), (88, 915245), (110, 732196), (163, 494120), (220, 366098), (326, 247060), (440, 183049), (652, 123530), (815, 98824), (1123, 71720), (1304, 61765), (1630, 49412), (1793, 44920), (2246, 35860), (3260, 24706), (3586, 22460), (4492, 17930), (5615, 14344), (6520, 12353), (7172, 11230), (8965, 8984)]