800009.00000000

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{709}}^1$

素因数の和:842

約数の個数: 48

約数和(自身を含む): 40793760

約数和(自身を除く): 23168020

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 220, 226, 452, 565, 709, 1130, 1243, 1418, 2260, 2486, 2836, 3545, 4972, 6215, 7090, 7799, 12430, 14180, 15598, 24860, 31196, 38995, 77990, 80117, 155980, 160234, 320468, 400585, 801170, 881287, 1602340, 1762574, 3525148, 4406435, 8812870, 17625740]

約数ペア:

[(1, 17625740), (2, 8812870), (4, 4406435), (5, 3525148), (10, 1762574), (11, 1602340), (20, 881287), (22, 801170), (44, 400585), (55, 320468), (110, 160234), (113, 155980), (220, 80117), (226, 77990), (452, 38995), (565, 31196), (709, 24860), (1130, 15598), (1243, 14180), (1418, 12430), (2260, 7799), (2486, 7090), (2836, 6215), (3545, 4972)]