156622240

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{12391}}^1$

素因数の和:12485

約数の個数: 48

約数和(自身を含む): 374734080

約数和(自身を除く): 218111840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6320, 12391, 12640, 24782, 49564, 61955, 99128, 123910, 198256, 247820, 396512, 495640, 978889, 991280, 1957778, 1982560, 3915556, 4894445, 7831112, 9788890, 15662224, 19577780, 31324448, 39155560, 78311120, 156622240]

約数ペア:

[(1, 156622240), (2, 78311120), (4, 39155560), (5, 31324448), (8, 19577780), (10, 15662224), (16, 9788890), (20, 7831112), (32, 4894445), (40, 3915556), (79, 1982560), (80, 1957778), (158, 991280), (160, 978889), (316, 495640), (395, 396512), (632, 247820), (790, 198256), (1264, 123910), (1580, 99128), (2528, 61955), (3160, 49564), (6320, 24782), (12391, 12640)]