40665440

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{6199}}^1$

素因数の和:6255

約数の個数: 48

約数和(自身を含む): 98431200

約数和(自身を除く): 57765760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6199, 6560, 12398, 24796, 30995, 49592, 61990, 99184, 123980, 198368, 247960, 254159, 495920, 508318, 991840, 1016636, 1270795, 2033272, 2541590, 4066544, 5083180, 8133088, 10166360, 20332720, 40665440]

約数ペア:

[(1, 40665440), (2, 20332720), (4, 10166360), (5, 8133088), (8, 5083180), (10, 4066544), (16, 2541590), (20, 2033272), (32, 1270795), (40, 1016636), (41, 991840), (80, 508318), (82, 495920), (160, 254159), (164, 247960), (205, 198368), (328, 123980), (410, 99184), (656, 61990), (820, 49592), (1312, 30995), (1640, 24796), (3280, 12398), (6199, 6560)]