79801280

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19183}}^1$

素因数の和:19213

約数の個数: 56

約数和(自身を含む): 204654912

約数和(自身を除く): 124853632

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 130, 160, 208, 260, 320, 416, 520, 832, 1040, 2080, 4160, 19183, 38366, 76732, 95915, 153464, 191830, 249379, 306928, 383660, 498758, 613856, 767320, 997516, 1227712, 1246895, 1534640, 1995032, 2493790, 3069280, 3990064, 4987580, 6138560, 7980128, 9975160, 15960256, 19950320, 39900640, 79801280]

約数ペア:

[(1, 79801280), (2, 39900640), (4, 19950320), (5, 15960256), (8, 9975160), (10, 7980128), (13, 6138560), (16, 4987580), (20, 3990064), (26, 3069280), (32, 2493790), (40, 1995032), (52, 1534640), (64, 1246895), (65, 1227712), (80, 997516), (104, 767320), (130, 613856), (160, 498758), (208, 383660), (260, 306928), (320, 249379), (416, 191830), (520, 153464), (832, 95915), (1040, 76732), (2080, 38366), (4160, 19183)]