48987880

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{1181}}^1$

素因数の和:1270

約数の個数: 64

約数和(自身を含む): 118720080

約数和(自身を除く): 69732200

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 61, 68, 85, 122, 136, 170, 244, 305, 340, 488, 610, 680, 1037, 1181, 1220, 2074, 2362, 2440, 4148, 4724, 5185, 5905, 8296, 9448, 10370, 11810, 20077, 20740, 23620, 40154, 41480, 47240, 72041, 80308, 100385, 144082, 160616, 200770, 288164, 360205, 401540, 576328, 720410, 803080, 1224697, 1440820, 2449394, 2881640, 4898788, 6123485, 9797576, 12246970, 24493940, 48987880]

約数ペア:

[(1, 48987880), (2, 24493940), (4, 12246970), (5, 9797576), (8, 6123485), (10, 4898788), (17, 2881640), (20, 2449394), (34, 1440820), (40, 1224697), (61, 803080), (68, 720410), (85, 576328), (122, 401540), (136, 360205), (170, 288164), (244, 200770), (305, 160616), (340, 144082), (488, 100385), (610, 80308), (680, 72041), (1037, 47240), (1181, 41480), (1220, 40154), (2074, 23620), (2362, 20740), (2440, 20077), (4148, 11810), (4724, 10370), (5185, 9448), (5905, 8296)]