19920123080

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{3482539}}^1$

素因数の和:3482574

約数の個数: 64

約数和(自身を含む): 52656004800

約数和(自身を除く): 32735881720

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 20, 22, 26, 40, 44, 52, 55, 65, 88, 104, 110, 130, 143, 220, 260, 286, 440, 520, 572, 715, 1144, 1430, 2860, 5720, 3482539, 6965078, 13930156, 17412695, 27860312, 34825390, 38307929, 45273007, 69650780, 76615858, 90546014, 139301560, 153231716, 181092028, 191539645, 226365035, 306463432, 362184056, 383079290, 452730070, 498003077, 766158580, 905460140, 996006154, 1532317160, 1810920280, 1992012308, 2490015385, 3984024616, 4980030770, 9960061540, 19920123080]

約数ペア:

[(1, 19920123080), (2, 9960061540), (4, 4980030770), (5, 3984024616), (8, 2490015385), (10, 1992012308), (11, 1810920280), (13, 1532317160), (20, 996006154), (22, 905460140), (26, 766158580), (40, 498003077), (44, 452730070), (52, 383079290), (55, 362184056), (65, 306463432), (88, 226365035), (104, 191539645), (110, 181092028), (130, 153231716), (143, 139301560), (220, 90546014), (260, 76615858), (286, 69650780), (440, 45273007), (520, 38307929), (572, 34825390), (715, 27860312), (1144, 17412695), (1430, 13930156), (2860, 6965078), (5720, 3482539)]