23841320

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:318

約数の個数: 64

約数和(自身を含む): 56019600

約数和(自身を除く): 32178280

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 89, 148, 178, 181, 185, 296, 356, 362, 370, 445, 712, 724, 740, 890, 905, 1448, 1480, 1780, 1810, 3293, 3560, 3620, 6586, 6697, 7240, 13172, 13394, 16109, 16465, 26344, 26788, 32218, 32930, 33485, 53576, 64436, 65860, 66970, 80545, 128872, 131720, 133940, 161090, 267880, 322180, 596033, 644360, 1192066, 2384132, 2980165, 4768264, 5960330, 11920660, 23841320]

約数ペア:

[(1, 23841320), (2, 11920660), (4, 5960330), (5, 4768264), (8, 2980165), (10, 2384132), (20, 1192066), (37, 644360), (40, 596033), (74, 322180), (89, 267880), (148, 161090), (178, 133940), (181, 131720), (185, 128872), (296, 80545), (356, 66970), (362, 65860), (370, 64436), (445, 53576), (712, 33485), (724, 32930), (740, 32218), (890, 26788), (905, 26344), (1448, 16465), (1480, 16109), (1780, 13394), (1810, 13172), (3293, 7240), (3560, 6697), (3620, 6586)]