80187940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1\times {\mathrm{107}}^1$

素因数の和:277

約数の個数: 96

約数和(自身を含む): 199874304

約数和(自身を除く): 119686364

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 101, 106, 107, 140, 202, 212, 214, 265, 371, 404, 428, 505, 530, 535, 707, 742, 749, 1010, 1060, 1070, 1414, 1484, 1498, 1855, 2020, 2140, 2828, 2996, 3535, 3710, 3745, 5353, 5671, 7070, 7420, 7490, 10706, 10807, 11342, 14140, 14980, 21412, 21614, 22684, 26765, 28355, 37471, 39697, 43228, 53530, 54035, 56710, 74942, 75649, 79394, 107060, 108070, 113420, 149884, 151298, 158788, 187355, 198485, 216140, 302596, 374710, 378245, 396970, 572771, 749420, 756490, 793940, 1145542, 1512980, 2291084, 2863855, 4009397, 5727710, 8018794, 11455420, 16037588, 20046985, 40093970, 80187940]

約数ペア:

[(1, 80187940), (2, 40093970), (4, 20046985), (5, 16037588), (7, 11455420), (10, 8018794), (14, 5727710), (20, 4009397), (28, 2863855), (35, 2291084), (53, 1512980), (70, 1145542), (101, 793940), (106, 756490), (107, 749420), (140, 572771), (202, 396970), (212, 378245), (214, 374710), (265, 302596), (371, 216140), (404, 198485), (428, 187355), (505, 158788), (530, 151298), (535, 149884), (707, 113420), (742, 108070), (749, 107060), (1010, 79394), (1060, 75649), (1070, 74942), (1414, 56710), (1484, 54035), (1498, 53530), (1855, 43228), (2020, 39697), (2140, 37471), (2828, 28355), (2996, 26765), (3535, 22684), (3710, 21614), (3745, 21412), (5353, 14980), (5671, 14140), (7070, 11342), (7420, 10807), (7490, 10706)]