65513900

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^2\times {\mathrm{41}}^1$

素因数の和:132

約数の個数: 108

約数和(自身を含む): 158765880

約数和(自身を除く): 93251980

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 29, 38, 41, 50, 58, 76, 82, 95, 100, 116, 145, 164, 190, 205, 290, 380, 410, 475, 551, 580, 725, 779, 820, 841, 950, 1025, 1102, 1189, 1450, 1558, 1682, 1900, 2050, 2204, 2378, 2755, 2900, 3116, 3364, 3895, 4100, 4205, 4756, 5510, 5945, 7790, 8410, 11020, 11890, 13775, 15580, 15979, 16820, 19475, 21025, 22591, 23780, 27550, 29725, 31958, 34481, 38950, 42050, 45182, 55100, 59450, 63916, 68962, 77900, 79895, 84100, 90364, 112955, 118900, 137924, 159790, 172405, 225910, 319580, 344810, 399475, 451820, 564775, 655139, 689620, 798950, 862025, 1129550, 1310278, 1597900, 1724050, 2259100, 2620556, 3275695, 3448100, 6551390, 13102780, 16378475, 32756950, 65513900]

約数ペア:

[(1, 65513900), (2, 32756950), (4, 16378475), (5, 13102780), (10, 6551390), (19, 3448100), (20, 3275695), (25, 2620556), (29, 2259100), (38, 1724050), (41, 1597900), (50, 1310278), (58, 1129550), (76, 862025), (82, 798950), (95, 689620), (100, 655139), (116, 564775), (145, 451820), (164, 399475), (190, 344810), (205, 319580), (290, 225910), (380, 172405), (410, 159790), (475, 137924), (551, 118900), (580, 112955), (725, 90364), (779, 84100), (820, 79895), (841, 77900), (950, 68962), (1025, 63916), (1102, 59450), (1189, 55100), (1450, 45182), (1558, 42050), (1682, 38950), (1900, 34481), (2050, 31958), (2204, 29725), (2378, 27550), (2755, 23780), (2900, 22591), (3116, 21025), (3364, 19475), (3895, 16820), (4100, 15979), (4205, 15580), (4756, 13775), (5510, 11890), (5945, 11020), (7790, 8410)]