72920140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{5231}}^1$

素因数の和:5298

約数の個数: 48

約数和(自身を含む): 166126464

約数和(自身を除く): 93206324

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1394, 2788, 3485, 5231, 6970, 10462, 13940, 20924, 26155, 52310, 88927, 104620, 177854, 214471, 355708, 428942, 444635, 857884, 889270, 1072355, 1778540, 2144710, 3646007, 4289420, 7292014, 14584028, 18230035, 36460070, 72920140]

約数ペア:

[(1, 72920140), (2, 36460070), (4, 18230035), (5, 14584028), (10, 7292014), (17, 4289420), (20, 3646007), (34, 2144710), (41, 1778540), (68, 1072355), (82, 889270), (85, 857884), (164, 444635), (170, 428942), (205, 355708), (340, 214471), (410, 177854), (697, 104620), (820, 88927), (1394, 52310), (2788, 26155), (3485, 20924), (5231, 13940), (6970, 10462)]