4215620

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1$

素因数の和:200

約数の個数: 48

約数和(自身を含む): 9335088

約数和(自身を除く): 5119468

約数列:

[1, 2, 4, 5, 10, 20, 41, 53, 82, 97, 106, 164, 194, 205, 212, 265, 388, 410, 485, 530, 820, 970, 1060, 1940, 2173, 3977, 4346, 5141, 7954, 8692, 10282, 10865, 15908, 19885, 20564, 21730, 25705, 39770, 43460, 51410, 79540, 102820, 210781, 421562, 843124, 1053905, 2107810, 4215620]

約数ペア:

[(1, 4215620), (2, 2107810), (4, 1053905), (5, 843124), (10, 421562), (20, 210781), (41, 102820), (53, 79540), (82, 51410), (97, 43460), (106, 39770), (164, 25705), (194, 21730), (205, 20564), (212, 19885), (265, 15908), (388, 10865), (410, 10282), (485, 8692), (530, 7954), (820, 5141), (970, 4346), (1060, 3977), (1940, 2173)]