85222840

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{647}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 199454400

約数和(自身を除く): 114231560

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 89, 148, 178, 185, 296, 356, 370, 445, 647, 712, 740, 890, 1294, 1480, 1780, 2588, 3235, 3293, 3560, 5176, 6470, 6586, 12940, 13172, 16465, 23939, 25880, 26344, 32930, 47878, 57583, 65860, 95756, 115166, 119695, 131720, 191512, 230332, 239390, 287915, 460664, 478780, 575830, 957560, 1151660, 2130571, 2303320, 4261142, 8522284, 10652855, 17044568, 21305710, 42611420, 85222840]

約数ペア:

[(1, 85222840), (2, 42611420), (4, 21305710), (5, 17044568), (8, 10652855), (10, 8522284), (20, 4261142), (37, 2303320), (40, 2130571), (74, 1151660), (89, 957560), (148, 575830), (178, 478780), (185, 460664), (296, 287915), (356, 239390), (370, 230332), (445, 191512), (647, 131720), (712, 119695), (740, 115166), (890, 95756), (1294, 65860), (1480, 57583), (1780, 47878), (2588, 32930), (3235, 26344), (3293, 25880), (3560, 23939), (5176, 16465), (6470, 13172), (6586, 12940)]