42509680

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:386

約数の個数: 80

約数和(自身を含む): 104064768

約数和(自身を除く): 61555088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 61, 62, 80, 122, 124, 155, 244, 248, 281, 305, 310, 488, 496, 562, 610, 620, 976, 1124, 1220, 1240, 1405, 1891, 2248, 2440, 2480, 2810, 3782, 4496, 4880, 5620, 7564, 8711, 9455, 11240, 15128, 17141, 17422, 18910, 22480, 30256, 34282, 34844, 37820, 43555, 68564, 69688, 75640, 85705, 87110, 137128, 139376, 151280, 171410, 174220, 274256, 342820, 348440, 531371, 685640, 696880, 1062742, 1371280, 2125484, 2656855, 4250968, 5313710, 8501936, 10627420, 21254840, 42509680]

約数ペア:

[(1, 42509680), (2, 21254840), (4, 10627420), (5, 8501936), (8, 5313710), (10, 4250968), (16, 2656855), (20, 2125484), (31, 1371280), (40, 1062742), (61, 696880), (62, 685640), (80, 531371), (122, 348440), (124, 342820), (155, 274256), (244, 174220), (248, 171410), (281, 151280), (305, 139376), (310, 137128), (488, 87110), (496, 85705), (562, 75640), (610, 69688), (620, 68564), (976, 43555), (1124, 37820), (1220, 34844), (1240, 34282), (1405, 30256), (1891, 22480), (2248, 18910), (2440, 17422), (2480, 17141), (2810, 15128), (3782, 11240), (4496, 9455), (4880, 8711), (5620, 7564)]