27993680

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2447}}^1$

素因数の和:2484

約数の個数: 80

約数和(自身を含む): 76495104

約数和(自身を除く): 48501424

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2447, 2860, 4894, 5720, 9788, 11440, 12235, 19576, 24470, 26917, 31811, 39152, 48940, 53834, 63622, 97880, 107668, 127244, 134585, 159055, 195760, 215336, 254488, 269170, 318110, 349921, 430672, 508976, 538340, 636220, 699842, 1076680, 1272440, 1399684, 1749605, 2153360, 2544880, 2799368, 3499210, 5598736, 6998420, 13996840, 27993680]

約数ペア:

[(1, 27993680), (2, 13996840), (4, 6998420), (5, 5598736), (8, 3499210), (10, 2799368), (11, 2544880), (13, 2153360), (16, 1749605), (20, 1399684), (22, 1272440), (26, 1076680), (40, 699842), (44, 636220), (52, 538340), (55, 508976), (65, 430672), (80, 349921), (88, 318110), (104, 269170), (110, 254488), (130, 215336), (143, 195760), (176, 159055), (208, 134585), (220, 127244), (260, 107668), (286, 97880), (440, 63622), (520, 53834), (572, 48940), (715, 39152), (880, 31811), (1040, 26917), (1144, 24470), (1430, 19576), (2288, 12235), (2447, 11440), (2860, 9788), (4894, 5720)]