30638920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{58921}}^1$

素因数の和:58945

約数の個数: 32

約数和(自身を含む): 74241720

約数和(自身を除く): 43602800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 58921, 117842, 235684, 294605, 471368, 589210, 765973, 1178420, 1531946, 2356840, 3063892, 3829865, 6127784, 7659730, 15319460, 30638920]

約数ペア:

[(1, 30638920), (2, 15319460), (4, 7659730), (5, 6127784), (8, 3829865), (10, 3063892), (13, 2356840), (20, 1531946), (26, 1178420), (40, 765973), (52, 589210), (65, 471368), (104, 294605), (130, 235684), (260, 117842), (520, 58921)]