22235720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{701}}^1$

素因数の和:786

約数の個数: 64

約数和(自身を含む): 54840240

約数和(自身を除く): 32604520

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, 701, 793, 1220, 1402, 1586, 2440, 2804, 3172, 3505, 3965, 5608, 6344, 7010, 7930, 9113, 14020, 15860, 18226, 28040, 31720, 36452, 42761, 45565, 72904, 85522, 91130, 171044, 182260, 213805, 342088, 364520, 427610, 555893, 855220, 1111786, 1710440, 2223572, 2779465, 4447144, 5558930, 11117860, 22235720]

約数ペア:

[(1, 22235720), (2, 11117860), (4, 5558930), (5, 4447144), (8, 2779465), (10, 2223572), (13, 1710440), (20, 1111786), (26, 855220), (40, 555893), (52, 427610), (61, 364520), (65, 342088), (104, 213805), (122, 182260), (130, 171044), (244, 91130), (260, 85522), (305, 72904), (488, 45565), (520, 42761), (610, 36452), (701, 31720), (793, 28040), (1220, 18226), (1402, 15860), (1586, 14020), (2440, 9113), (2804, 7930), (3172, 7010), (3505, 6344), (3965, 5608)]