2013200450

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{401}}^1$

素因数の和:564

約数の個数: 96

約数和(自身を含む): 4019742720

約数和(自身を除く): 2006542270

約数列:

[1, 2, 5, 10, 25, 31, 41, 50, 62, 79, 82, 155, 158, 205, 310, 395, 401, 410, 775, 790, 802, 1025, 1271, 1550, 1975, 2005, 2050, 2449, 2542, 3239, 3950, 4010, 4898, 6355, 6478, 10025, 12245, 12431, 12710, 16195, 16441, 20050, 24490, 24862, 31679, 31775, 32390, 32882, 61225, 62155, 63358, 63550, 80975, 82205, 100409, 122450, 124310, 158395, 161950, 164410, 200818, 310775, 316790, 411025, 502045, 509671, 621550, 791975, 822050, 982049, 1004090, 1019342, 1298839, 1583950, 1964098, 2510225, 2548355, 2597678, 4910245, 5020450, 5096710, 6494195, 9820490, 12741775, 12988390, 24551225, 25483550, 32470975, 40264009, 49102450, 64941950, 80528018, 201320045, 402640090, 1006600225, 2013200450]

約数ペア:

[(1, 2013200450), (2, 1006600225), (5, 402640090), (10, 201320045), (25, 80528018), (31, 64941950), (41, 49102450), (50, 40264009), (62, 32470975), (79, 25483550), (82, 24551225), (155, 12988390), (158, 12741775), (205, 9820490), (310, 6494195), (395, 5096710), (401, 5020450), (410, 4910245), (775, 2597678), (790, 2548355), (802, 2510225), (1025, 1964098), (1271, 1583950), (1550, 1298839), (1975, 1019342), (2005, 1004090), (2050, 982049), (2449, 822050), (2542, 791975), (3239, 621550), (3950, 509671), (4010, 502045), (4898, 411025), (6355, 316790), (6478, 310775), (10025, 200818), (12245, 164410), (12431, 161950), (12710, 158395), (16195, 124310), (16441, 122450), (20050, 100409), (24490, 82205), (24862, 80975), (31679, 63550), (31775, 63358), (32390, 62155), (32882, 61225)]