40879748

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{163}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 90756288

約数和(自身を除く): 49876540

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 53, 91, 106, 163, 169, 182, 212, 326, 338, 364, 371, 652, 676, 689, 742, 1141, 1183, 1378, 1484, 2119, 2282, 2366, 2756, 4238, 4564, 4732, 4823, 8476, 8639, 8957, 9646, 14833, 17278, 17914, 19292, 27547, 29666, 34556, 35828, 55094, 59332, 60473, 62699, 110188, 112307, 120946, 125398, 192829, 224614, 241892, 250796, 385658, 449228, 771316, 786149, 1459991, 1572298, 2919982, 3144596, 5839964, 10219937, 20439874, 40879748]

約数ペア:

[(1, 40879748), (2, 20439874), (4, 10219937), (7, 5839964), (13, 3144596), (14, 2919982), (26, 1572298), (28, 1459991), (52, 786149), (53, 771316), (91, 449228), (106, 385658), (163, 250796), (169, 241892), (182, 224614), (212, 192829), (326, 125398), (338, 120946), (364, 112307), (371, 110188), (652, 62699), (676, 60473), (689, 59332), (742, 55094), (1141, 35828), (1183, 34556), (1378, 29666), (1484, 27547), (2119, 19292), (2282, 17914), (2366, 17278), (2756, 14833), (4238, 9646), (4564, 8957), (4732, 8639), (4823, 8476)]