51204620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^2\times {\mathrm{61}}^1$

素因数の和:183

約数の個数: 72

約数和(自身を含む): 117544560

約数和(自身を除く): 66339940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 61, 76, 94, 95, 122, 188, 190, 235, 244, 305, 380, 470, 610, 893, 940, 1159, 1220, 1786, 2209, 2318, 2867, 3572, 4418, 4465, 4636, 5734, 5795, 8836, 8930, 11045, 11468, 11590, 14335, 17860, 22090, 23180, 28670, 41971, 44180, 54473, 57340, 83942, 108946, 134749, 167884, 209855, 217892, 269498, 272365, 419710, 538996, 544730, 673745, 839420, 1089460, 1347490, 2560231, 2694980, 5120462, 10240924, 12801155, 25602310, 51204620]

約数ペア:

[(1, 51204620), (2, 25602310), (4, 12801155), (5, 10240924), (10, 5120462), (19, 2694980), (20, 2560231), (38, 1347490), (47, 1089460), (61, 839420), (76, 673745), (94, 544730), (95, 538996), (122, 419710), (188, 272365), (190, 269498), (235, 217892), (244, 209855), (305, 167884), (380, 134749), (470, 108946), (610, 83942), (893, 57340), (940, 54473), (1159, 44180), (1220, 41971), (1786, 28670), (2209, 23180), (2318, 22090), (2867, 17860), (3572, 14335), (4418, 11590), (4465, 11468), (4636, 11045), (5734, 8930), (5795, 8836)]