89418680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{2819}}^1$

素因数の和:2904

約数の個数: 64

約数和(自身を含む): 220298400

約数和(自身を除く): 130879720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 61, 65, 104, 122, 130, 244, 260, 305, 488, 520, 610, 793, 1220, 1586, 2440, 2819, 3172, 3965, 5638, 6344, 7930, 11276, 14095, 15860, 22552, 28190, 31720, 36647, 56380, 73294, 112760, 146588, 171959, 183235, 293176, 343918, 366470, 687836, 732940, 859795, 1375672, 1465880, 1719590, 2235467, 3439180, 4470934, 6878360, 8941868, 11177335, 17883736, 22354670, 44709340, 89418680]

約数ペア:

[(1, 89418680), (2, 44709340), (4, 22354670), (5, 17883736), (8, 11177335), (10, 8941868), (13, 6878360), (20, 4470934), (26, 3439180), (40, 2235467), (52, 1719590), (61, 1465880), (65, 1375672), (104, 859795), (122, 732940), (130, 687836), (244, 366470), (260, 343918), (305, 293176), (488, 183235), (520, 171959), (610, 146588), (793, 112760), (1220, 73294), (1586, 56380), (2440, 36647), (2819, 31720), (3172, 28190), (3965, 22552), (5638, 15860), (6344, 14095), (7930, 11276)]