128394880

素因数分解:

$2^7\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11801}}^1$

素因数の和:11837

約数の個数: 64

約数和(自身を含む): 325027080

約数和(自身を除く): 196632200

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 272, 320, 340, 544, 640, 680, 1088, 1360, 2176, 2720, 5440, 10880, 11801, 23602, 47204, 59005, 94408, 118010, 188816, 200617, 236020, 377632, 401234, 472040, 755264, 802468, 944080, 1003085, 1510528, 1604936, 1888160, 2006170, 3209872, 3776320, 4012340, 6419744, 7552640, 8024680, 12839488, 16049360, 25678976, 32098720, 64197440, 128394880]

約数ペア:

[(1, 128394880), (2, 64197440), (4, 32098720), (5, 25678976), (8, 16049360), (10, 12839488), (16, 8024680), (17, 7552640), (20, 6419744), (32, 4012340), (34, 3776320), (40, 3209872), (64, 2006170), (68, 1888160), (80, 1604936), (85, 1510528), (128, 1003085), (136, 944080), (160, 802468), (170, 755264), (272, 472040), (320, 401234), (340, 377632), (544, 236020), (640, 200617), (680, 188816), (1088, 118010), (1360, 94408), (2176, 59005), (2720, 47204), (5440, 23602), (10880, 11801)]