30971720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59561}}^1$

素因数の和:59585

約数の個数: 32

約数和(自身を含む): 75048120

約数和(自身を除く): 44076400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 59561, 119122, 238244, 297805, 476488, 595610, 774293, 1191220, 1548586, 2382440, 3097172, 3871465, 6194344, 7742930, 15485860, 30971720]

約数ペア:

[(1, 30971720), (2, 15485860), (4, 7742930), (5, 6194344), (8, 3871465), (10, 3097172), (13, 2382440), (20, 1548586), (26, 1191220), (40, 774293), (52, 595610), (65, 476488), (104, 297805), (130, 238244), (260, 119122), (520, 59561)]