23542280

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{389}}^1$

素因数の和:506

約数の個数: 64

約数和(自身を含む): 56862000

約数和(自身を除く): 33319720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 340, 356, 389, 445, 680, 712, 778, 890, 1513, 1556, 1780, 1945, 3026, 3112, 3560, 3890, 6052, 6613, 7565, 7780, 12104, 13226, 15130, 15560, 26452, 30260, 33065, 34621, 52904, 60520, 66130, 69242, 132260, 138484, 173105, 264520, 276968, 346210, 588557, 692420, 1177114, 1384840, 2354228, 2942785, 4708456, 5885570, 11771140, 23542280]

約数ペア:

[(1, 23542280), (2, 11771140), (4, 5885570), (5, 4708456), (8, 2942785), (10, 2354228), (17, 1384840), (20, 1177114), (34, 692420), (40, 588557), (68, 346210), (85, 276968), (89, 264520), (136, 173105), (170, 138484), (178, 132260), (340, 69242), (356, 66130), (389, 60520), (445, 52904), (680, 34621), (712, 33065), (778, 30260), (890, 26452), (1513, 15560), (1556, 15130), (1780, 13226), (1945, 12104), (3026, 7780), (3112, 7565), (3560, 6613), (3890, 6052)]