6565640

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:246

約数の個数: 64

約数和(自身を含む): 15940800

約数和(自身を除く): 9375160

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 53, 76, 95, 106, 152, 163, 190, 212, 265, 326, 380, 424, 530, 652, 760, 815, 1007, 1060, 1304, 1630, 2014, 2120, 3097, 3260, 4028, 5035, 6194, 6520, 8056, 8639, 10070, 12388, 15485, 17278, 20140, 24776, 30970, 34556, 40280, 43195, 61940, 69112, 86390, 123880, 164141, 172780, 328282, 345560, 656564, 820705, 1313128, 1641410, 3282820, 6565640]

約数ペア:

[(1, 6565640), (2, 3282820), (4, 1641410), (5, 1313128), (8, 820705), (10, 656564), (19, 345560), (20, 328282), (38, 172780), (40, 164141), (53, 123880), (76, 86390), (95, 69112), (106, 61940), (152, 43195), (163, 40280), (190, 34556), (212, 30970), (265, 24776), (326, 20140), (380, 17278), (424, 15485), (530, 12388), (652, 10070), (760, 8639), (815, 8056), (1007, 6520), (1060, 6194), (1304, 5035), (1630, 4028), (2014, 3260), (2120, 3097)]