61448920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{118171}}^1$

素因数の和:118195

約数の個数: 32

約数和(自身を含む): 148896720

約数和(自身を除く): 87447800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 118171, 236342, 472684, 590855, 945368, 1181710, 1536223, 2363420, 3072446, 4726840, 6144892, 7681115, 12289784, 15362230, 30724460, 61448920]

約数ペア:

[(1, 61448920), (2, 30724460), (4, 15362230), (5, 12289784), (8, 7681115), (10, 6144892), (13, 4726840), (20, 3072446), (26, 2363420), (40, 1536223), (52, 1181710), (65, 945368), (104, 590855), (130, 472684), (260, 236342), (520, 118171)]