78306280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{150589}}^1$

素因数の和:150613

約数の個数: 32

約数和(自身を含む): 189743400

約数和(自身を除く): 111437120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 150589, 301178, 602356, 752945, 1204712, 1505890, 1957657, 3011780, 3915314, 6023560, 7830628, 9788285, 15661256, 19576570, 39153140, 78306280]

約数ペア:

[(1, 78306280), (2, 39153140), (4, 19576570), (5, 15661256), (8, 9788285), (10, 7830628), (13, 6023560), (20, 3915314), (26, 3011780), (40, 1957657), (52, 1505890), (65, 1204712), (104, 752945), (130, 602356), (260, 301178), (520, 150589)]