2019107320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1\times {\mathrm{20183}}^1$

素因数の和:20296

約数の個数: 64

約数和(自身を含む): 4730322240

約数和(自身を除く): 2711214920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 61, 82, 122, 164, 205, 244, 305, 328, 410, 488, 610, 820, 1220, 1640, 2440, 2501, 5002, 10004, 12505, 20008, 20183, 25010, 40366, 50020, 80732, 100040, 100915, 161464, 201830, 403660, 807320, 827503, 1231163, 1655006, 2462326, 3310012, 4137515, 4924652, 6155815, 6620024, 8275030, 9849304, 12311630, 16550060, 24623260, 33100120, 49246520, 50477683, 100955366, 201910732, 252388415, 403821464, 504776830, 1009553660, 2019107320]

約数ペア:

[(1, 2019107320), (2, 1009553660), (4, 504776830), (5, 403821464), (8, 252388415), (10, 201910732), (20, 100955366), (40, 50477683), (41, 49246520), (61, 33100120), (82, 24623260), (122, 16550060), (164, 12311630), (205, 9849304), (244, 8275030), (305, 6620024), (328, 6155815), (410, 4924652), (488, 4137515), (610, 3310012), (820, 2462326), (1220, 1655006), (1640, 1231163), (2440, 827503), (2501, 807320), (5002, 403660), (10004, 201830), (12505, 161464), (20008, 100915), (20183, 100040), (25010, 80732), (40366, 50020)]