2052809840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1171}}^1\times {\mathrm{1289}}^1$

素因数の和:2490

約数の個数: 80

約数和(自身を含む): 5061774240

約数和(自身を除く): 3008964400

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1171, 1289, 1360, 2342, 2578, 4684, 5156, 5855, 6445, 9368, 10312, 11710, 12890, 18736, 19907, 20624, 21913, 23420, 25780, 39814, 43826, 46840, 51560, 79628, 87652, 93680, 99535, 103120, 109565, 159256, 175304, 199070, 219130, 318512, 350608, 398140, 438260, 796280, 876520, 1509419, 1592560, 1753040, 3018838, 6037676, 7547095, 12075352, 15094190, 24150704, 25660123, 30188380, 51320246, 60376760, 102640492, 120753520, 128300615, 205280984, 256601230, 410561968, 513202460, 1026404920, 2052809840]

約数ペア:

[(1, 2052809840), (2, 1026404920), (4, 513202460), (5, 410561968), (8, 256601230), (10, 205280984), (16, 128300615), (17, 120753520), (20, 102640492), (34, 60376760), (40, 51320246), (68, 30188380), (80, 25660123), (85, 24150704), (136, 15094190), (170, 12075352), (272, 7547095), (340, 6037676), (680, 3018838), (1171, 1753040), (1289, 1592560), (1360, 1509419), (2342, 876520), (2578, 796280), (4684, 438260), (5156, 398140), (5855, 350608), (6445, 318512), (9368, 219130), (10312, 199070), (11710, 175304), (12890, 159256), (18736, 109565), (19907, 103120), (20624, 99535), (21913, 93680), (23420, 87652), (25780, 79628), (39814, 51560), (43826, 46840)]