42851840

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^1\times {\mathrm{881}}^1$

素因数の和:923

約数の個数: 80

約数和(自身を含む): 108274320

約数和(自身を除く): 65422480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 256, 304, 320, 380, 512, 608, 640, 760, 881, 1216, 1280, 1520, 1762, 2432, 2560, 3040, 3524, 4405, 4864, 6080, 7048, 8810, 9728, 12160, 14096, 16739, 17620, 24320, 28192, 33478, 35240, 48640, 56384, 66956, 70480, 83695, 112768, 133912, 140960, 167390, 225536, 267824, 281920, 334780, 451072, 535648, 563840, 669560, 1071296, 1127680, 1339120, 2142592, 2255360, 2678240, 4285184, 5356480, 8570368, 10712960, 21425920, 42851840]

約数ペア:

[(1, 42851840), (2, 21425920), (4, 10712960), (5, 8570368), (8, 5356480), (10, 4285184), (16, 2678240), (19, 2255360), (20, 2142592), (32, 1339120), (38, 1127680), (40, 1071296), (64, 669560), (76, 563840), (80, 535648), (95, 451072), (128, 334780), (152, 281920), (160, 267824), (190, 225536), (256, 167390), (304, 140960), (320, 133912), (380, 112768), (512, 83695), (608, 70480), (640, 66956), (760, 56384), (881, 48640), (1216, 35240), (1280, 33478), (1520, 28192), (1762, 24320), (2432, 17620), (2560, 16739), (3040, 14096), (3524, 12160), (4405, 9728), (4864, 8810), (6080, 7048)]