3200440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:160

約数の個数: 64

約数和(自身を含む): 7776000

約数和(自身を除く): 4575560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 31, 40, 58, 62, 89, 116, 124, 145, 155, 178, 232, 248, 290, 310, 356, 445, 580, 620, 712, 890, 899, 1160, 1240, 1780, 1798, 2581, 2759, 3560, 3596, 4495, 5162, 5518, 7192, 8990, 10324, 11036, 12905, 13795, 17980, 20648, 22072, 25810, 27590, 35960, 51620, 55180, 80011, 103240, 110360, 160022, 320044, 400055, 640088, 800110, 1600220, 3200440]

約数ペア:

[(1, 3200440), (2, 1600220), (4, 800110), (5, 640088), (8, 400055), (10, 320044), (20, 160022), (29, 110360), (31, 103240), (40, 80011), (58, 55180), (62, 51620), (89, 35960), (116, 27590), (124, 25810), (145, 22072), (155, 20648), (178, 17980), (232, 13795), (248, 12905), (290, 11036), (310, 10324), (356, 8990), (445, 7192), (580, 5518), (620, 5162), (712, 4495), (890, 3596), (899, 3560), (1160, 2759), (1240, 2581), (1780, 1798)]