64551740

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15443}}^1$

素因数の和:15482

約数の個数: 48

約数和(自身を含む): 155675520

約数和(自身を除く): 91123780

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 15443, 30886, 61772, 77215, 154430, 169873, 293417, 308860, 339746, 586834, 679492, 849365, 1173668, 1467085, 1698730, 2934170, 3227587, 3397460, 5868340, 6455174, 12910348, 16137935, 32275870, 64551740]

約数ペア:

[(1, 64551740), (2, 32275870), (4, 16137935), (5, 12910348), (10, 6455174), (11, 5868340), (19, 3397460), (20, 3227587), (22, 2934170), (38, 1698730), (44, 1467085), (55, 1173668), (76, 849365), (95, 679492), (110, 586834), (190, 339746), (209, 308860), (220, 293417), (380, 169873), (418, 154430), (836, 77215), (1045, 61772), (2090, 30886), (4180, 15443)]