40845220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{9241}}^1$

素因数の和:9280

約数の個数: 48

約数和(自身を含む): 97817328

約数和(自身を除く): 56972108

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 9241, 18482, 36964, 46205, 92410, 120133, 157097, 184820, 240266, 314194, 480532, 600665, 628388, 785485, 1201330, 1570970, 2042261, 2402660, 3141940, 4084522, 8169044, 10211305, 20422610, 40845220]

約数ペア:

[(1, 40845220), (2, 20422610), (4, 10211305), (5, 8169044), (10, 4084522), (13, 3141940), (17, 2402660), (20, 2042261), (26, 1570970), (34, 1201330), (52, 785485), (65, 628388), (68, 600665), (85, 480532), (130, 314194), (170, 240266), (221, 184820), (260, 157097), (340, 120133), (442, 92410), (884, 46205), (1105, 36964), (2210, 18482), (4420, 9241)]