40964920

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{311}}^1$

素因数の和:448

約数の個数: 64

約数和(自身を含む): 96033600

約数和(自身を除く): 55068680

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 89, 148, 178, 185, 296, 311, 356, 370, 445, 622, 712, 740, 890, 1244, 1480, 1555, 1780, 2488, 3110, 3293, 3560, 6220, 6586, 11507, 12440, 13172, 16465, 23014, 26344, 27679, 32930, 46028, 55358, 57535, 65860, 92056, 110716, 115070, 131720, 138395, 221432, 230140, 276790, 460280, 553580, 1024123, 1107160, 2048246, 4096492, 5120615, 8192984, 10241230, 20482460, 40964920]

約数ペア:

[(1, 40964920), (2, 20482460), (4, 10241230), (5, 8192984), (8, 5120615), (10, 4096492), (20, 2048246), (37, 1107160), (40, 1024123), (74, 553580), (89, 460280), (148, 276790), (178, 230140), (185, 221432), (296, 138395), (311, 131720), (356, 115070), (370, 110716), (445, 92056), (622, 65860), (712, 57535), (740, 55358), (890, 46028), (1244, 32930), (1480, 27679), (1555, 26344), (1780, 23014), (2488, 16465), (3110, 13172), (3293, 12440), (3560, 11507), (6220, 6586)]