201181720

素因数分解:

$2^3\times 5^1\times {\mathrm{829}}^1\times {\mathrm{6067}}^1$

素因数の和:6907

約数の個数: 32

約数和(自身を含む): 453279600

約数和(自身を除く): 252097880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 829, 1658, 3316, 4145, 6067, 6632, 8290, 12134, 16580, 24268, 30335, 33160, 48536, 60670, 121340, 242680, 5029543, 10059086, 20118172, 25147715, 40236344, 50295430, 100590860, 201181720]

約数ペア:

[(1, 201181720), (2, 100590860), (4, 50295430), (5, 40236344), (8, 25147715), (10, 20118172), (20, 10059086), (40, 5029543), (829, 242680), (1658, 121340), (3316, 60670), (4145, 48536), (6067, 33160), (6632, 30335), (8290, 24268), (12134, 16580)]