25570740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{32783}}^1$

素因数の和:32808

約数の個数: 48

約数和(自身を含む): 77107968

約数和(自身を除く): 51537228

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 32783, 65566, 98349, 131132, 163915, 196698, 327830, 393396, 426179, 491745, 655660, 852358, 983490, 1278537, 1704716, 1966980, 2130895, 2557074, 4261790, 5114148, 6392685, 8523580, 12785370, 25570740]

約数ペア:

[(1, 25570740), (2, 12785370), (3, 8523580), (4, 6392685), (5, 5114148), (6, 4261790), (10, 2557074), (12, 2130895), (13, 1966980), (15, 1704716), (20, 1278537), (26, 983490), (30, 852358), (39, 655660), (52, 491745), (60, 426179), (65, 393396), (78, 327830), (130, 196698), (156, 163915), (195, 131132), (260, 98349), (390, 65566), (780, 32783)]