12651400

素因数分解:

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

素因数の和:155

約数の個数: 72

約数和(自身を含む): 31663710

約数和(自身を除く): 19012310

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 25, 34, 40, 50, 61, 68, 85, 100, 122, 136, 170, 200, 244, 305, 340, 425, 488, 610, 680, 850, 1037, 1220, 1525, 1700, 2074, 2440, 3050, 3400, 3721, 4148, 5185, 6100, 7442, 8296, 10370, 12200, 14884, 18605, 20740, 25925, 29768, 37210, 41480, 51850, 63257, 74420, 93025, 103700, 126514, 148840, 186050, 207400, 253028, 316285, 372100, 506056, 632570, 744200, 1265140, 1581425, 2530280, 3162850, 6325700, 12651400]

約数ペア:

[(1, 12651400), (2, 6325700), (4, 3162850), (5, 2530280), (8, 1581425), (10, 1265140), (17, 744200), (20, 632570), (25, 506056), (34, 372100), (40, 316285), (50, 253028), (61, 207400), (68, 186050), (85, 148840), (100, 126514), (122, 103700), (136, 93025), (170, 74420), (200, 63257), (244, 51850), (305, 41480), (340, 37210), (425, 29768), (488, 25925), (610, 20740), (680, 18605), (850, 14884), (1037, 12200), (1220, 10370), (1525, 8296), (1700, 7442), (2074, 6100), (2440, 5185), (3050, 4148), (3400, 3721)]