4027520

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1$

素因数の和:86

約数の個数: 128

約数和(自身を含む): 11750400

約数和(自身を除く): 7722880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 29, 31, 32, 35, 40, 56, 58, 62, 64, 70, 80, 112, 116, 124, 128, 140, 145, 155, 160, 203, 217, 224, 232, 248, 280, 290, 310, 320, 406, 434, 448, 464, 496, 560, 580, 620, 640, 812, 868, 896, 899, 928, 992, 1015, 1085, 1120, 1160, 1240, 1624, 1736, 1798, 1856, 1984, 2030, 2170, 2240, 2320, 2480, 3248, 3472, 3596, 3712, 3968, 4060, 4340, 4480, 4495, 4640, 4960, 6293, 6496, 6944, 7192, 8120, 8680, 8990, 9280, 9920, 12586, 12992, 13888, 14384, 16240, 17360, 17980, 18560, 19840, 25172, 25984, 27776, 28768, 31465, 32480, 34720, 35960, 50344, 57536, 62930, 64960, 69440, 71920, 100688, 115072, 125860, 129920, 138880, 143840, 201376, 251720, 287680, 402752, 503440, 575360, 805504, 1006880, 2013760, 4027520]

約数ペア:

[(1, 4027520), (2, 2013760), (4, 1006880), (5, 805504), (7, 575360), (8, 503440), (10, 402752), (14, 287680), (16, 251720), (20, 201376), (28, 143840), (29, 138880), (31, 129920), (32, 125860), (35, 115072), (40, 100688), (56, 71920), (58, 69440), (62, 64960), (64, 62930), (70, 57536), (80, 50344), (112, 35960), (116, 34720), (124, 32480), (128, 31465), (140, 28768), (145, 27776), (155, 25984), (160, 25172), (203, 19840), (217, 18560), (224, 17980), (232, 17360), (248, 16240), (280, 14384), (290, 13888), (310, 12992), (320, 12586), (406, 9920), (434, 9280), (448, 8990), (464, 8680), (496, 8120), (560, 7192), (580, 6944), (620, 6496), (640, 6293), (812, 4960), (868, 4640), (896, 4495), (899, 4480), (928, 4340), (992, 4060), (1015, 3968), (1085, 3712), (1120, 3596), (1160, 3472), (1240, 3248), (1624, 2480), (1736, 2320), (1798, 2240), (1856, 2170), (1984, 2030)]