65147420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{331}}^1\times {\mathrm{757}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 147973728

約数和(自身を除く): 82826308

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 331, 662, 757, 1324, 1514, 1655, 3028, 3310, 3785, 4303, 6620, 7570, 8606, 9841, 15140, 17212, 19682, 21515, 39364, 43030, 49205, 86060, 98410, 196820, 250567, 501134, 1002268, 1252835, 2505670, 3257371, 5011340, 6514742, 13029484, 16286855, 32573710, 65147420]

約数ペア:

[(1, 65147420), (2, 32573710), (4, 16286855), (5, 13029484), (10, 6514742), (13, 5011340), (20, 3257371), (26, 2505670), (52, 1252835), (65, 1002268), (130, 501134), (260, 250567), (331, 196820), (662, 98410), (757, 86060), (1324, 49205), (1514, 43030), (1655, 39364), (3028, 21515), (3310, 19682), (3785, 17212), (4303, 15140), (6620, 9841), (7570, 8606)]