16468113880

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{217717}}^1$

素因数の和:217820

約数の個数: 64

約数和(自身を含む): 38875726080

約数和(自身を除く): 22407612200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 61, 62, 122, 124, 155, 244, 248, 305, 310, 488, 610, 620, 1220, 1240, 1891, 2440, 3782, 7564, 9455, 15128, 18910, 37820, 75640, 217717, 435434, 870868, 1088585, 1741736, 2177170, 4354340, 6749227, 8708680, 13280737, 13498454, 26561474, 26996908, 33746135, 53122948, 53993816, 66403685, 67492270, 106245896, 132807370, 134984540, 265614740, 269969080, 411702847, 531229480, 823405694, 1646811388, 2058514235, 3293622776, 4117028470, 8234056940, 16468113880]

約数ペア:

[(1, 16468113880), (2, 8234056940), (4, 4117028470), (5, 3293622776), (8, 2058514235), (10, 1646811388), (20, 823405694), (31, 531229480), (40, 411702847), (61, 269969080), (62, 265614740), (122, 134984540), (124, 132807370), (155, 106245896), (244, 67492270), (248, 66403685), (305, 53993816), (310, 53122948), (488, 33746135), (610, 26996908), (620, 26561474), (1220, 13498454), (1240, 13280737), (1891, 8708680), (2440, 6749227), (3782, 4354340), (7564, 2177170), (9455, 1741736), (15128, 1088585), (18910, 870868), (37820, 435434), (75640, 217717)]