20162090720

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{34897}}^1$

素因数の和:35092

約数の個数: 96

約数和(自身を含む): 50021955648

約数和(自身を除く): 29859864928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 157, 160, 184, 230, 314, 368, 460, 628, 736, 785, 920, 1256, 1570, 1840, 2512, 3140, 3611, 3680, 5024, 6280, 7222, 12560, 14444, 18055, 25120, 28888, 34897, 36110, 57776, 69794, 72220, 115552, 139588, 144440, 174485, 279176, 288880, 348970, 558352, 577760, 697940, 802631, 1116704, 1395880, 1605262, 2791760, 3210524, 4013155, 5478829, 5583520, 6421048, 8026310, 10957658, 12842096, 16052620, 21915316, 25684192, 27394145, 32105240, 43830632, 54788290, 64210480, 87661264, 109576580, 126013067, 128420960, 175322528, 219153160, 252026134, 438306320, 504052268, 630065335, 876612640, 1008104536, 1260130670, 2016209072, 2520261340, 4032418144, 5040522680, 10081045360, 20162090720]

約数ペア:

[(1, 20162090720), (2, 10081045360), (4, 5040522680), (5, 4032418144), (8, 2520261340), (10, 2016209072), (16, 1260130670), (20, 1008104536), (23, 876612640), (32, 630065335), (40, 504052268), (46, 438306320), (80, 252026134), (92, 219153160), (115, 175322528), (157, 128420960), (160, 126013067), (184, 109576580), (230, 87661264), (314, 64210480), (368, 54788290), (460, 43830632), (628, 32105240), (736, 27394145), (785, 25684192), (920, 21915316), (1256, 16052620), (1570, 12842096), (1840, 10957658), (2512, 8026310), (3140, 6421048), (3611, 5583520), (3680, 5478829), (5024, 4013155), (6280, 3210524), (7222, 2791760), (12560, 1605262), (14444, 1395880), (18055, 1116704), (25120, 802631), (28888, 697940), (34897, 577760), (36110, 558352), (57776, 348970), (69794, 288880), (72220, 279176), (115552, 174485), (139588, 144440)]