28371560

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5333}}^1$

素因数の和:5370

約数の個数: 64

約数和(自身を含む): 76809600

約数和(自身を除く): 48438040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 56, 70, 76, 95, 133, 140, 152, 190, 266, 280, 380, 532, 665, 760, 1064, 1330, 2660, 5320, 5333, 10666, 21332, 26665, 37331, 42664, 53330, 74662, 101327, 106660, 149324, 186655, 202654, 213320, 298648, 373310, 405308, 506635, 709289, 746620, 810616, 1013270, 1418578, 1493240, 2026540, 2837156, 3546445, 4053080, 5674312, 7092890, 14185780, 28371560]

約数ペア:

[(1, 28371560), (2, 14185780), (4, 7092890), (5, 5674312), (7, 4053080), (8, 3546445), (10, 2837156), (14, 2026540), (19, 1493240), (20, 1418578), (28, 1013270), (35, 810616), (38, 746620), (40, 709289), (56, 506635), (70, 405308), (76, 373310), (95, 298648), (133, 213320), (140, 202654), (152, 186655), (190, 149324), (266, 106660), (280, 101327), (380, 74662), (532, 53330), (665, 42664), (760, 37331), (1064, 26665), (1330, 21332), (2660, 10666), (5320, 5333)]