24908680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 58806000

約数和(自身を除く): 33897320

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 109, 116, 145, 197, 218, 232, 290, 394, 436, 545, 580, 788, 872, 985, 1090, 1160, 1576, 1970, 2180, 3161, 3940, 4360, 5713, 6322, 7880, 11426, 12644, 15805, 21473, 22852, 25288, 28565, 31610, 42946, 45704, 57130, 63220, 85892, 107365, 114260, 126440, 171784, 214730, 228520, 429460, 622717, 858920, 1245434, 2490868, 3113585, 4981736, 6227170, 12454340, 24908680]

約数ペア:

[(1, 24908680), (2, 12454340), (4, 6227170), (5, 4981736), (8, 3113585), (10, 2490868), (20, 1245434), (29, 858920), (40, 622717), (58, 429460), (109, 228520), (116, 214730), (145, 171784), (197, 126440), (218, 114260), (232, 107365), (290, 85892), (394, 63220), (436, 57130), (545, 45704), (580, 42946), (788, 31610), (872, 28565), (985, 25288), (1090, 22852), (1160, 21473), (1576, 15805), (1970, 12644), (2180, 11426), (3161, 7880), (3940, 6322), (4360, 5713)]