20802577540

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{14827}}^1$

素因数の和:14965

約数の個数: 96

約数和(自身を含む): 47081865600

約数和(自身を除く): 26279288060

約数列:

[1, 2, 4, 5, 10, 20, 29, 41, 58, 59, 82, 116, 118, 145, 164, 205, 236, 290, 295, 410, 580, 590, 820, 1180, 1189, 1711, 2378, 2419, 3422, 4756, 4838, 5945, 6844, 8555, 9676, 11890, 12095, 14827, 17110, 23780, 24190, 29654, 34220, 48380, 59308, 70151, 74135, 140302, 148270, 280604, 296540, 350755, 429983, 607907, 701510, 859966, 874793, 1215814, 1403020, 1719932, 1749586, 2149915, 2431628, 3039535, 3499172, 4299830, 4373965, 6079070, 8599660, 8747930, 12158140, 17495860, 17629303, 25368997, 35258606, 35866513, 50737994, 70517212, 71733026, 88146515, 101475988, 126844985, 143466052, 176293030, 179332565, 253689970, 352586060, 358665130, 507379940, 717330260, 1040128877, 2080257754, 4160515508, 5200644385, 10401288770, 20802577540]

約数ペア:

[(1, 20802577540), (2, 10401288770), (4, 5200644385), (5, 4160515508), (10, 2080257754), (20, 1040128877), (29, 717330260), (41, 507379940), (58, 358665130), (59, 352586060), (82, 253689970), (116, 179332565), (118, 176293030), (145, 143466052), (164, 126844985), (205, 101475988), (236, 88146515), (290, 71733026), (295, 70517212), (410, 50737994), (580, 35866513), (590, 35258606), (820, 25368997), (1180, 17629303), (1189, 17495860), (1711, 12158140), (2378, 8747930), (2419, 8599660), (3422, 6079070), (4756, 4373965), (4838, 4299830), (5945, 3499172), (6844, 3039535), (8555, 2431628), (9676, 2149915), (11890, 1749586), (12095, 1719932), (14827, 1403020), (17110, 1215814), (23780, 874793), (24190, 859966), (29654, 701510), (34220, 607907), (48380, 429983), (59308, 350755), (70151, 296540), (74135, 280604), (140302, 148270)]