201206680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1553}}^1$

素因数の和:1684

約数の個数: 64

約数和(自身を含む): 469929600

約数和(自身を除く): 268722920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 79, 82, 158, 164, 205, 316, 328, 395, 410, 632, 790, 820, 1553, 1580, 1640, 3106, 3160, 3239, 6212, 6478, 7765, 12424, 12956, 15530, 16195, 25912, 31060, 32390, 62120, 63673, 64780, 122687, 127346, 129560, 245374, 254692, 318365, 490748, 509384, 613435, 636730, 981496, 1226870, 1273460, 2453740, 2546920, 4907480, 5030167, 10060334, 20120668, 25150835, 40241336, 50301670, 100603340, 201206680]

約数ペア:

[(1, 201206680), (2, 100603340), (4, 50301670), (5, 40241336), (8, 25150835), (10, 20120668), (20, 10060334), (40, 5030167), (41, 4907480), (79, 2546920), (82, 2453740), (158, 1273460), (164, 1226870), (205, 981496), (316, 636730), (328, 613435), (395, 509384), (410, 490748), (632, 318365), (790, 254692), (820, 245374), (1553, 129560), (1580, 127346), (1640, 122687), (3106, 64780), (3160, 63673), (3239, 62120), (6212, 32390), (6478, 31060), (7765, 25912), (12424, 16195), (12956, 15530)]