25245480

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16183}}^1$

素因数の和:16210

約数の個数: 64

約数和(自身を含む): 81567360

約数和(自身を除く): 56321880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 16183, 32366, 48549, 64732, 80915, 97098, 129464, 161830, 194196, 210379, 242745, 323660, 388392, 420758, 485490, 631137, 647320, 841516, 970980, 1051895, 1262274, 1683032, 1941960, 2103790, 2524548, 3155685, 4207580, 5049096, 6311370, 8415160, 12622740, 25245480]

約数ペア:

[(1, 25245480), (2, 12622740), (3, 8415160), (4, 6311370), (5, 5049096), (6, 4207580), (8, 3155685), (10, 2524548), (12, 2103790), (13, 1941960), (15, 1683032), (20, 1262274), (24, 1051895), (26, 970980), (30, 841516), (39, 647320), (40, 631137), (52, 485490), (60, 420758), (65, 388392), (78, 323660), (104, 242745), (120, 210379), (130, 194196), (156, 161830), (195, 129464), (260, 97098), (312, 80915), (390, 64732), (520, 48549), (780, 32366), (1560, 16183)]