1319528020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{241}}^1\times {\mathrm{8831}}^1$

素因数の和:9112

約数の個数: 48

約数和(自身を含む): 2872590336

約数和(自身を除く): 1553062316

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 241, 310, 482, 620, 964, 1205, 2410, 4820, 7471, 8831, 14942, 17662, 29884, 35324, 37355, 44155, 74710, 88310, 149420, 176620, 273761, 547522, 1095044, 1368805, 2128271, 2737610, 4256542, 5475220, 8513084, 10641355, 21282710, 42565420, 65976401, 131952802, 263905604, 329882005, 659764010, 1319528020]

約数ペア:

[(1, 1319528020), (2, 659764010), (4, 329882005), (5, 263905604), (10, 131952802), (20, 65976401), (31, 42565420), (62, 21282710), (124, 10641355), (155, 8513084), (241, 5475220), (310, 4256542), (482, 2737610), (620, 2128271), (964, 1368805), (1205, 1095044), (2410, 547522), (4820, 273761), (7471, 176620), (8831, 149420), (14942, 88310), (17662, 74710), (29884, 44155), (35324, 37355)]