40913210

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1\times {\mathrm{563}}^1$

素因数の和:639

約数の個数: 48

約数和(自身を含む): 81743904

約数和(自身を除く): 40830694

約数列:

[1, 2, 5, 10, 13, 26, 43, 65, 86, 130, 169, 215, 338, 430, 559, 563, 845, 1118, 1126, 1690, 2795, 2815, 5590, 5630, 7267, 7319, 14534, 14638, 24209, 36335, 36595, 48418, 72670, 73190, 95147, 121045, 190294, 242090, 314717, 475735, 629434, 951470, 1573585, 3147170, 4091321, 8182642, 20456605, 40913210]

約数ペア:

[(1, 40913210), (2, 20456605), (5, 8182642), (10, 4091321), (13, 3147170), (26, 1573585), (43, 951470), (65, 629434), (86, 475735), (130, 314717), (169, 242090), (215, 190294), (338, 121045), (430, 95147), (559, 73190), (563, 72670), (845, 48418), (1118, 36595), (1126, 36335), (1690, 24209), (2795, 14638), (2815, 14534), (5590, 7319), (5630, 7267)]