22019909840

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{619}}^1\times {\mathrm{9461}}^1$

素因数の和:10140

約数の個数: 80

約数和(自身を含む): 52375576320

約数和(自身を除く): 30355666480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 619, 752, 940, 1238, 1880, 2476, 3095, 3760, 4952, 6190, 9461, 9904, 12380, 18922, 24760, 29093, 37844, 47305, 49520, 58186, 75688, 94610, 116372, 145465, 151376, 189220, 232744, 290930, 378440, 444667, 465488, 581860, 756880, 889334, 1163720, 1778668, 2223335, 2327440, 3557336, 4446670, 5856359, 7114672, 8893340, 11712718, 17786680, 23425436, 29281795, 35573360, 46850872, 58563590, 93701744, 117127180, 234254360, 275248873, 468508720, 550497746, 1100995492, 1376244365, 2201990984, 2752488730, 4403981968, 5504977460, 11009954920, 22019909840]

約数ペア:

[(1, 22019909840), (2, 11009954920), (4, 5504977460), (5, 4403981968), (8, 2752488730), (10, 2201990984), (16, 1376244365), (20, 1100995492), (40, 550497746), (47, 468508720), (80, 275248873), (94, 234254360), (188, 117127180), (235, 93701744), (376, 58563590), (470, 46850872), (619, 35573360), (752, 29281795), (940, 23425436), (1238, 17786680), (1880, 11712718), (2476, 8893340), (3095, 7114672), (3760, 5856359), (4952, 4446670), (6190, 3557336), (9461, 2327440), (9904, 2223335), (12380, 1778668), (18922, 1163720), (24760, 889334), (29093, 756880), (37844, 581860), (47305, 465488), (49520, 444667), (58186, 378440), (75688, 290930), (94610, 232744), (116372, 189220), (145465, 151376)]