27491480

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{593}}^1$

素因数の和:684

約数の個数: 64

約数和(自身を含む): 66290400

約数和(自身を除く): 38798920

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 61, 76, 95, 122, 152, 190, 244, 305, 380, 488, 593, 610, 760, 1159, 1186, 1220, 2318, 2372, 2440, 2965, 4636, 4744, 5795, 5930, 9272, 11267, 11590, 11860, 22534, 23180, 23720, 36173, 45068, 46360, 56335, 72346, 90136, 112670, 144692, 180865, 225340, 289384, 361730, 450680, 687287, 723460, 1374574, 1446920, 2749148, 3436435, 5498296, 6872870, 13745740, 27491480]

約数ペア:

[(1, 27491480), (2, 13745740), (4, 6872870), (5, 5498296), (8, 3436435), (10, 2749148), (19, 1446920), (20, 1374574), (38, 723460), (40, 687287), (61, 450680), (76, 361730), (95, 289384), (122, 225340), (152, 180865), (190, 144692), (244, 112670), (305, 90136), (380, 72346), (488, 56335), (593, 46360), (610, 45068), (760, 36173), (1159, 23720), (1186, 23180), (1220, 22534), (2318, 11860), (2372, 11590), (2440, 11267), (2965, 9272), (4636, 5930), (4744, 5795)]