996896059480

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{280026983}}^1$

素因数の和:280027083

約数の個数: 32

約数和(自身を含む): 2268218570400

約数和(自身を除く): 1271322510920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 280026983, 560053966, 1120107932, 1400134915, 2240215864, 2800269830, 5600539660, 11201079320, 24922401487, 49844802974, 99689605948, 124612007435, 199379211896, 249224014870, 498448029740, 996896059480]

約数ペア:

[(1, 996896059480), (2, 498448029740), (4, 249224014870), (5, 199379211896), (8, 124612007435), (10, 99689605948), (20, 49844802974), (40, 24922401487), (89, 11201079320), (178, 5600539660), (356, 2800269830), (445, 2240215864), (712, 1400134915), (890, 1120107932), (1780, 560053966), (3560, 280026983)]