40988320

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{139}}^1$

素因数の和:270

約数の個数: 96

約数和(自身を含む): 103723200

約数和(自身を除く): 62734880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 97, 139, 152, 160, 190, 194, 278, 304, 380, 388, 485, 556, 608, 695, 760, 776, 970, 1112, 1390, 1520, 1552, 1843, 1940, 2224, 2641, 2780, 3040, 3104, 3686, 3880, 4448, 5282, 5560, 7372, 7760, 9215, 10564, 11120, 13205, 13483, 14744, 15520, 18430, 21128, 22240, 26410, 26966, 29488, 36860, 42256, 52820, 53932, 58976, 67415, 73720, 84512, 105640, 107864, 134830, 147440, 211280, 215728, 256177, 269660, 294880, 422560, 431456, 512354, 539320, 1024708, 1078640, 1280885, 2049416, 2157280, 2561770, 4098832, 5123540, 8197664, 10247080, 20494160, 40988320]

約数ペア:

[(1, 40988320), (2, 20494160), (4, 10247080), (5, 8197664), (8, 5123540), (10, 4098832), (16, 2561770), (19, 2157280), (20, 2049416), (32, 1280885), (38, 1078640), (40, 1024708), (76, 539320), (80, 512354), (95, 431456), (97, 422560), (139, 294880), (152, 269660), (160, 256177), (190, 215728), (194, 211280), (278, 147440), (304, 134830), (380, 107864), (388, 105640), (485, 84512), (556, 73720), (608, 67415), (695, 58976), (760, 53932), (776, 52820), (970, 42256), (1112, 36860), (1390, 29488), (1520, 26966), (1552, 26410), (1843, 22240), (1940, 21128), (2224, 18430), (2641, 15520), (2780, 14744), (3040, 13483), (3104, 13205), (3686, 11120), (3880, 10564), (4448, 9215), (5282, 7760), (5560, 7372)]