256352480

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{69661}}^1$

素因数の和:69699

約数の個数: 48

約数和(自身を含む): 631973664

約数和(自身を除く): 375621184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 115, 160, 184, 230, 368, 460, 736, 920, 1840, 3680, 69661, 139322, 278644, 348305, 557288, 696610, 1114576, 1393220, 1602203, 2229152, 2786440, 3204406, 5572880, 6408812, 8011015, 11145760, 12817624, 16022030, 25635248, 32044060, 51270496, 64088120, 128176240, 256352480]

約数ペア:

[(1, 256352480), (2, 128176240), (4, 64088120), (5, 51270496), (8, 32044060), (10, 25635248), (16, 16022030), (20, 12817624), (23, 11145760), (32, 8011015), (40, 6408812), (46, 5572880), (80, 3204406), (92, 2786440), (115, 2229152), (160, 1602203), (184, 1393220), (230, 1114576), (368, 696610), (460, 557288), (736, 348305), (920, 278644), (1840, 139322), (3680, 69661)]