2021789540

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1297}}^1\times {\mathrm{1901}}^1$

素因数の和:3248

約数の個数: 48

約数和(自身を含む): 4354956144

約数和(自身を除く): 2333166604

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1297, 1901, 2594, 3802, 5188, 6485, 7604, 9505, 12970, 19010, 25940, 38020, 53177, 77941, 106354, 155882, 212708, 265885, 311764, 389705, 531770, 779410, 1063540, 1558820, 2465597, 4931194, 9862388, 12327985, 24655970, 49311940, 101089477, 202178954, 404357908, 505447385, 1010894770, 2021789540]

約数ペア:

[(1, 2021789540), (2, 1010894770), (4, 505447385), (5, 404357908), (10, 202178954), (20, 101089477), (41, 49311940), (82, 24655970), (164, 12327985), (205, 9862388), (410, 4931194), (820, 2465597), (1297, 1558820), (1901, 1063540), (2594, 779410), (3802, 531770), (5188, 389705), (6485, 311764), (7604, 265885), (9505, 212708), (12970, 155882), (19010, 106354), (25940, 77941), (38020, 53177)]