39882520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{541}}^1$

素因数の和:668

約数の個数: 64

約数和(自身を含む): 95608800

約数和(自身を除く): 55726280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 97, 152, 190, 194, 380, 388, 485, 541, 760, 776, 970, 1082, 1843, 1940, 2164, 2705, 3686, 3880, 4328, 5410, 7372, 9215, 10279, 10820, 14744, 18430, 20558, 21640, 36860, 41116, 51395, 52477, 73720, 82232, 102790, 104954, 205580, 209908, 262385, 411160, 419816, 524770, 997063, 1049540, 1994126, 2099080, 3988252, 4985315, 7976504, 9970630, 19941260, 39882520]

約数ペア:

[(1, 39882520), (2, 19941260), (4, 9970630), (5, 7976504), (8, 4985315), (10, 3988252), (19, 2099080), (20, 1994126), (38, 1049540), (40, 997063), (76, 524770), (95, 419816), (97, 411160), (152, 262385), (190, 209908), (194, 205580), (380, 104954), (388, 102790), (485, 82232), (541, 73720), (760, 52477), (776, 51395), (970, 41116), (1082, 36860), (1843, 21640), (1940, 20558), (2164, 18430), (2705, 14744), (3686, 10820), (3880, 10279), (4328, 9215), (5410, 7372)]