25828220

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1$

素因数の和:243

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 38522500

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 37, 38, 44, 55, 74, 76, 95, 110, 148, 167, 185, 190, 209, 220, 334, 370, 380, 407, 418, 668, 703, 740, 814, 835, 836, 1045, 1406, 1628, 1670, 1837, 2035, 2090, 2812, 3173, 3340, 3515, 3674, 4070, 4180, 6179, 6346, 7030, 7348, 7733, 8140, 9185, 12358, 12692, 14060, 15466, 15865, 18370, 24716, 30895, 30932, 31730, 34903, 36740, 38665, 61790, 63460, 67969, 69806, 77330, 117401, 123580, 135938, 139612, 154660, 174515, 234802, 271876, 339845, 349030, 469604, 587005, 679690, 698060, 1174010, 1291411, 1359380, 2348020, 2582822, 5165644, 6457055, 12914110, 25828220]

約数ペア:

[(1, 25828220), (2, 12914110), (4, 6457055), (5, 5165644), (10, 2582822), (11, 2348020), (19, 1359380), (20, 1291411), (22, 1174010), (37, 698060), (38, 679690), (44, 587005), (55, 469604), (74, 349030), (76, 339845), (95, 271876), (110, 234802), (148, 174515), (167, 154660), (185, 139612), (190, 135938), (209, 123580), (220, 117401), (334, 77330), (370, 69806), (380, 67969), (407, 63460), (418, 61790), (668, 38665), (703, 36740), (740, 34903), (814, 31730), (835, 30932), (836, 30895), (1045, 24716), (1406, 18370), (1628, 15865), (1670, 15466), (1837, 14060), (2035, 12692), (2090, 12358), (2812, 9185), (3173, 8140), (3340, 7733), (3515, 7348), (3674, 7030), (4070, 6346), (4180, 6179)]