80804521720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9140783}}^1$

素因数の和:9140824

約数の個数: 64

約数和(自身を含む): 207312981120

約数和(自身を除く): 126508459400

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 26, 34, 40, 52, 65, 68, 85, 104, 130, 136, 170, 221, 260, 340, 442, 520, 680, 884, 1105, 1768, 2210, 4420, 8840, 9140783, 18281566, 36563132, 45703915, 73126264, 91407830, 118830179, 155393311, 182815660, 237660358, 310786622, 365631320, 475320716, 594150895, 621573244, 776966555, 950641432, 1188301790, 1243146488, 1553933110, 2020113043, 2376603580, 3107866220, 4040226086, 4753207160, 6215732440, 8080452172, 10100565215, 16160904344, 20201130430, 40402260860, 80804521720]

約数ペア:

[(1, 80804521720), (2, 40402260860), (4, 20201130430), (5, 16160904344), (8, 10100565215), (10, 8080452172), (13, 6215732440), (17, 4753207160), (20, 4040226086), (26, 3107866220), (34, 2376603580), (40, 2020113043), (52, 1553933110), (65, 1243146488), (68, 1188301790), (85, 950641432), (104, 776966555), (130, 621573244), (136, 594150895), (170, 475320716), (221, 365631320), (260, 310786622), (340, 237660358), (442, 182815660), (520, 155393311), (680, 118830179), (884, 91407830), (1105, 73126264), (1768, 45703915), (2210, 36563132), (4420, 18281566), (8840, 9140783)]