64172620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{173}}^1\times {\mathrm{1091}}^1$

素因数の和:1290

約数の個数: 48

約数和(自身を含む): 143646048

約数和(自身を除く): 79473428

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 173, 340, 346, 692, 865, 1091, 1730, 2182, 2941, 3460, 4364, 5455, 5882, 10910, 11764, 14705, 18547, 21820, 29410, 37094, 58820, 74188, 92735, 185470, 188743, 370940, 377486, 754972, 943715, 1887430, 3208631, 3774860, 6417262, 12834524, 16043155, 32086310, 64172620]

約数ペア:

[(1, 64172620), (2, 32086310), (4, 16043155), (5, 12834524), (10, 6417262), (17, 3774860), (20, 3208631), (34, 1887430), (68, 943715), (85, 754972), (170, 377486), (173, 370940), (340, 188743), (346, 185470), (692, 92735), (865, 74188), (1091, 58820), (1730, 37094), (2182, 29410), (2941, 21820), (3460, 18547), (4364, 14705), (5455, 11764), (5882, 10910)]