8889403120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{140123}}^1$

素因数の和:140210

約数の個数: 80

約数和(自身を含む): 22622739552

約数和(自身を除く): 13733336432

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 488, 520, 610, 793, 976, 1040, 1220, 1586, 2440, 3172, 3965, 4880, 6344, 7930, 12688, 15860, 31720, 63440, 140123, 280246, 560492, 700615, 1120984, 1401230, 1821599, 2241968, 2802460, 3643198, 5604920, 7286396, 8547503, 9107995, 11209840, 14572792, 17095006, 18215990, 29145584, 34190012, 36431980, 42737515, 68380024, 72863960, 85475030, 111117539, 136760048, 145727920, 170950060, 222235078, 341900120, 444470156, 555587695, 683800240, 888940312, 1111175390, 1777880624, 2222350780, 4444701560, 8889403120]

約数ペア:

[(1, 8889403120), (2, 4444701560), (4, 2222350780), (5, 1777880624), (8, 1111175390), (10, 888940312), (13, 683800240), (16, 555587695), (20, 444470156), (26, 341900120), (40, 222235078), (52, 170950060), (61, 145727920), (65, 136760048), (80, 111117539), (104, 85475030), (122, 72863960), (130, 68380024), (208, 42737515), (244, 36431980), (260, 34190012), (305, 29145584), (488, 18215990), (520, 17095006), (610, 14572792), (793, 11209840), (976, 9107995), (1040, 8547503), (1220, 7286396), (1586, 5604920), (2440, 3643198), (3172, 2802460), (3965, 2241968), (4880, 1821599), (6344, 1401230), (7930, 1120984), (12688, 700615), (15860, 560492), (31720, 280246), (63440, 140123)]