2021574160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{21803}}^1$

素因数の和:21896

約数の個数: 80

約数和(自身を含む): 5028874560

約数和(自身を除く): 3007300400

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 61, 76, 80, 95, 122, 152, 190, 244, 304, 305, 380, 488, 610, 760, 976, 1159, 1220, 1520, 2318, 2440, 4636, 4880, 5795, 9272, 11590, 18544, 21803, 23180, 43606, 46360, 87212, 92720, 109015, 174424, 218030, 348848, 414257, 436060, 828514, 872120, 1329983, 1657028, 1744240, 2071285, 2659966, 3314056, 4142570, 5319932, 6628112, 6649915, 8285140, 10639864, 13299830, 16570280, 21279728, 25269677, 26599660, 33140560, 50539354, 53199320, 101078708, 106398640, 126348385, 202157416, 252696770, 404314832, 505393540, 1010787080, 2021574160]

約数ペア:

[(1, 2021574160), (2, 1010787080), (4, 505393540), (5, 404314832), (8, 252696770), (10, 202157416), (16, 126348385), (19, 106398640), (20, 101078708), (38, 53199320), (40, 50539354), (61, 33140560), (76, 26599660), (80, 25269677), (95, 21279728), (122, 16570280), (152, 13299830), (190, 10639864), (244, 8285140), (304, 6649915), (305, 6628112), (380, 5319932), (488, 4142570), (610, 3314056), (760, 2659966), (976, 2071285), (1159, 1744240), (1220, 1657028), (1520, 1329983), (2318, 872120), (2440, 828514), (4636, 436060), (4880, 414257), (5795, 348848), (9272, 218030), (11590, 174424), (18544, 109015), (21803, 92720), (23180, 87212), (43606, 46360)]