24728080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{59}}^1$

素因数の和:129

約数の個数: 120

約数和(自身を含む): 65352960

約数和(自身を除く): 40624880

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 40, 52, 59, 62, 65, 80, 104, 118, 124, 130, 155, 169, 208, 236, 248, 260, 295, 310, 338, 403, 472, 496, 520, 590, 620, 676, 767, 806, 845, 944, 1040, 1180, 1240, 1352, 1534, 1612, 1690, 1829, 2015, 2360, 2480, 2704, 3068, 3224, 3380, 3658, 3835, 4030, 4720, 5239, 6136, 6448, 6760, 7316, 7670, 8060, 9145, 9971, 10478, 12272, 13520, 14632, 15340, 16120, 18290, 19942, 20956, 23777, 26195, 29264, 30680, 32240, 36580, 39884, 41912, 47554, 49855, 52390, 61360, 73160, 79768, 83824, 95108, 99710, 104780, 118885, 146320, 159536, 190216, 199420, 209560, 237770, 309101, 380432, 398840, 419120, 475540, 618202, 797680, 951080, 1236404, 1545505, 1902160, 2472808, 3091010, 4945616, 6182020, 12364040, 24728080]

約数ペア:

[(1, 24728080), (2, 12364040), (4, 6182020), (5, 4945616), (8, 3091010), (10, 2472808), (13, 1902160), (16, 1545505), (20, 1236404), (26, 951080), (31, 797680), (40, 618202), (52, 475540), (59, 419120), (62, 398840), (65, 380432), (80, 309101), (104, 237770), (118, 209560), (124, 199420), (130, 190216), (155, 159536), (169, 146320), (208, 118885), (236, 104780), (248, 99710), (260, 95108), (295, 83824), (310, 79768), (338, 73160), (403, 61360), (472, 52390), (496, 49855), (520, 47554), (590, 41912), (620, 39884), (676, 36580), (767, 32240), (806, 30680), (845, 29264), (944, 26195), (1040, 23777), (1180, 20956), (1240, 19942), (1352, 18290), (1534, 16120), (1612, 15340), (1690, 14632), (1829, 13520), (2015, 12272), (2360, 10478), (2480, 9971), (2704, 9145), (3068, 8060), (3224, 7670), (3380, 7316), (3658, 6760), (3835, 6448), (4030, 6136), (4720, 5239)]