6400880

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:162

約数の個数: 80

約数和(自身を含む): 16070400

約数和(自身を除く): 9669520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 89, 116, 124, 145, 155, 178, 232, 248, 290, 310, 356, 445, 464, 496, 580, 620, 712, 890, 899, 1160, 1240, 1424, 1780, 1798, 2320, 2480, 2581, 2759, 3560, 3596, 4495, 5162, 5518, 7120, 7192, 8990, 10324, 11036, 12905, 13795, 14384, 17980, 20648, 22072, 25810, 27590, 35960, 41296, 44144, 51620, 55180, 71920, 80011, 103240, 110360, 160022, 206480, 220720, 320044, 400055, 640088, 800110, 1280176, 1600220, 3200440, 6400880]

約数ペア:

[(1, 6400880), (2, 3200440), (4, 1600220), (5, 1280176), (8, 800110), (10, 640088), (16, 400055), (20, 320044), (29, 220720), (31, 206480), (40, 160022), (58, 110360), (62, 103240), (80, 80011), (89, 71920), (116, 55180), (124, 51620), (145, 44144), (155, 41296), (178, 35960), (232, 27590), (248, 25810), (290, 22072), (310, 20648), (356, 17980), (445, 14384), (464, 13795), (496, 12905), (580, 11036), (620, 10324), (712, 8990), (890, 7192), (899, 7120), (1160, 5518), (1240, 5162), (1424, 4495), (1780, 3596), (1798, 3560), (2320, 2759), (2480, 2581)]