65860120

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53113}}^1$

素因数の和:53155

約数の個数: 32

約数和(自身を含む): 152968320

約数和(自身を除く): 87108200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 53113, 106226, 212452, 265565, 424904, 531130, 1062260, 1646503, 2124520, 3293006, 6586012, 8232515, 13172024, 16465030, 32930060, 65860120]

約数ペア:

[(1, 65860120), (2, 32930060), (4, 16465030), (5, 13172024), (8, 8232515), (10, 6586012), (20, 3293006), (31, 2124520), (40, 1646503), (62, 1062260), (124, 531130), (155, 424904), (248, 265565), (310, 212452), (620, 106226), (1240, 53113)]