16568240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:294

約数の個数: 80

約数和(自身を含む): 42184800

約数和(自身を除く): 25616560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 89, 104, 130, 178, 179, 208, 260, 356, 358, 445, 520, 712, 716, 890, 895, 1040, 1157, 1424, 1432, 1780, 1790, 2314, 2327, 2864, 3560, 3580, 4628, 4654, 5785, 7120, 7160, 9256, 9308, 11570, 11635, 14320, 15931, 18512, 18616, 23140, 23270, 31862, 37232, 46280, 46540, 63724, 79655, 92560, 93080, 127448, 159310, 186160, 207103, 254896, 318620, 414206, 637240, 828412, 1035515, 1274480, 1656824, 2071030, 3313648, 4142060, 8284120, 16568240]

約数ペア:

[(1, 16568240), (2, 8284120), (4, 4142060), (5, 3313648), (8, 2071030), (10, 1656824), (13, 1274480), (16, 1035515), (20, 828412), (26, 637240), (40, 414206), (52, 318620), (65, 254896), (80, 207103), (89, 186160), (104, 159310), (130, 127448), (178, 93080), (179, 92560), (208, 79655), (260, 63724), (356, 46540), (358, 46280), (445, 37232), (520, 31862), (712, 23270), (716, 23140), (890, 18616), (895, 18512), (1040, 15931), (1157, 14320), (1424, 11635), (1432, 11570), (1780, 9308), (1790, 9256), (2314, 7160), (2327, 7120), (2864, 5785), (3560, 4654), (3580, 4628)]