19856300

素因数分解:

$2^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{167}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 45934560

約数和(自身を除く): 26078260

約数列:

[1, 2, 4, 5, 10, 20, 25, 29, 41, 50, 58, 82, 100, 116, 145, 164, 167, 205, 290, 334, 410, 580, 668, 725, 820, 835, 1025, 1189, 1450, 1670, 2050, 2378, 2900, 3340, 4100, 4175, 4756, 4843, 5945, 6847, 8350, 9686, 11890, 13694, 16700, 19372, 23780, 24215, 27388, 29725, 34235, 48430, 59450, 68470, 96860, 118900, 121075, 136940, 171175, 198563, 242150, 342350, 397126, 484300, 684700, 794252, 992815, 1985630, 3971260, 4964075, 9928150, 19856300]

約数ペア:

[(1, 19856300), (2, 9928150), (4, 4964075), (5, 3971260), (10, 1985630), (20, 992815), (25, 794252), (29, 684700), (41, 484300), (50, 397126), (58, 342350), (82, 242150), (100, 198563), (116, 171175), (145, 136940), (164, 121075), (167, 118900), (205, 96860), (290, 68470), (334, 59450), (410, 48430), (580, 34235), (668, 29725), (725, 27388), (820, 24215), (835, 23780), (1025, 19372), (1189, 16700), (1450, 13694), (1670, 11890), (2050, 9686), (2378, 8350), (2900, 6847), (3340, 5945), (4100, 4843), (4175, 4756)]