13495960

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{223}}^1$

素因数の和:340

約数の個数: 64

約数和(自身を含む): 32659200

約数和(自身を除く): 19163240

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 89, 136, 170, 178, 223, 340, 356, 445, 446, 680, 712, 890, 892, 1115, 1513, 1780, 1784, 2230, 3026, 3560, 3791, 4460, 6052, 7565, 7582, 8920, 12104, 15130, 15164, 18955, 19847, 30260, 30328, 37910, 39694, 60520, 75820, 79388, 99235, 151640, 158776, 198470, 337399, 396940, 674798, 793880, 1349596, 1686995, 2699192, 3373990, 6747980, 13495960]

約数ペア:

[(1, 13495960), (2, 6747980), (4, 3373990), (5, 2699192), (8, 1686995), (10, 1349596), (17, 793880), (20, 674798), (34, 396940), (40, 337399), (68, 198470), (85, 158776), (89, 151640), (136, 99235), (170, 79388), (178, 75820), (223, 60520), (340, 39694), (356, 37910), (445, 30328), (446, 30260), (680, 19847), (712, 18955), (890, 15164), (892, 15130), (1115, 12104), (1513, 8920), (1780, 7582), (1784, 7565), (2230, 6052), (3026, 4460), (3560, 3791)]