40194908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 78368640

約数和(自身を除く): 38173732

約数列:

[1, 2, 4, 13, 26, 52, 67, 83, 134, 139, 166, 268, 278, 332, 556, 871, 1079, 1742, 1807, 2158, 3484, 3614, 4316, 5561, 7228, 9313, 11122, 11537, 18626, 22244, 23074, 37252, 46148, 72293, 121069, 144586, 149981, 242138, 289172, 299962, 484276, 599924, 772979, 1545958, 3091916, 10048727, 20097454, 40194908]

約数ペア:

[(1, 40194908), (2, 20097454), (4, 10048727), (13, 3091916), (26, 1545958), (52, 772979), (67, 599924), (83, 484276), (134, 299962), (139, 289172), (166, 242138), (268, 149981), (278, 144586), (332, 121069), (556, 72293), (871, 46148), (1079, 37252), (1742, 23074), (1807, 22244), (2158, 18626), (3484, 11537), (3614, 11122), (4316, 9313), (5561, 7228)]