10405880

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:216

約数の個数: 64

約数和(自身を含む): 24624000

約数和(自身を除く): 14218120

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 79, 89, 148, 158, 178, 185, 296, 316, 356, 370, 395, 445, 632, 712, 740, 790, 890, 1480, 1580, 1780, 2923, 3160, 3293, 3560, 5846, 6586, 7031, 11692, 13172, 14062, 14615, 16465, 23384, 26344, 28124, 29230, 32930, 35155, 56248, 58460, 65860, 70310, 116920, 131720, 140620, 260147, 281240, 520294, 1040588, 1300735, 2081176, 2601470, 5202940, 10405880]

約数ペア:

[(1, 10405880), (2, 5202940), (4, 2601470), (5, 2081176), (8, 1300735), (10, 1040588), (20, 520294), (37, 281240), (40, 260147), (74, 140620), (79, 131720), (89, 116920), (148, 70310), (158, 65860), (178, 58460), (185, 56248), (296, 35155), (316, 32930), (356, 29230), (370, 28124), (395, 26344), (445, 23384), (632, 16465), (712, 14615), (740, 14062), (790, 13172), (890, 11692), (1480, 7031), (1580, 6586), (1780, 5846), (2923, 3560), (3160, 3293)]