204148640

素因数分解:

$2^5\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{521}}^1$

素因数の和:646

約数の個数: 96

約数和(自身を含む): 505128960

約数和(自身を除く): 300980320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 79, 80, 124, 155, 158, 160, 248, 310, 316, 395, 496, 521, 620, 632, 790, 992, 1042, 1240, 1264, 1580, 2084, 2449, 2480, 2528, 2605, 3160, 4168, 4898, 4960, 5210, 6320, 8336, 9796, 10420, 12245, 12640, 16151, 16672, 19592, 20840, 24490, 32302, 39184, 41159, 41680, 48980, 64604, 78368, 80755, 82318, 83360, 97960, 129208, 161510, 164636, 195920, 205795, 258416, 323020, 329272, 391840, 411590, 516832, 646040, 658544, 823180, 1275929, 1292080, 1317088, 1646360, 2551858, 2584160, 3292720, 5103716, 6379645, 6585440, 10207432, 12759290, 20414864, 25518580, 40829728, 51037160, 102074320, 204148640]

約数ペア:

[(1, 204148640), (2, 102074320), (4, 51037160), (5, 40829728), (8, 25518580), (10, 20414864), (16, 12759290), (20, 10207432), (31, 6585440), (32, 6379645), (40, 5103716), (62, 3292720), (79, 2584160), (80, 2551858), (124, 1646360), (155, 1317088), (158, 1292080), (160, 1275929), (248, 823180), (310, 658544), (316, 646040), (395, 516832), (496, 411590), (521, 391840), (620, 329272), (632, 323020), (790, 258416), (992, 205795), (1042, 195920), (1240, 164636), (1264, 161510), (1580, 129208), (2084, 97960), (2449, 83360), (2480, 82318), (2528, 80755), (2605, 78368), (3160, 64604), (4168, 48980), (4898, 41680), (4960, 41159), (5210, 39184), (6320, 32302), (8336, 24490), (9796, 20840), (10420, 19592), (12245, 16672), (12640, 16151)]