21882981160

素因数分解:

$2^3\times 5^1\times {\mathrm{571}}^1\times {\mathrm{761}}^1\times {\mathrm{1259}}^1$

素因数の和:2602

約数の個数: 64

約数和(自身を含む): 49426977600

約数和(自身を除く): 27543996440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 571, 761, 1142, 1259, 1522, 2284, 2518, 2855, 3044, 3805, 4568, 5036, 5710, 6088, 6295, 7610, 10072, 11420, 12590, 15220, 22840, 25180, 30440, 50360, 434531, 718889, 869062, 958099, 1437778, 1738124, 1916198, 2172655, 2875556, 3476248, 3594445, 3832396, 4345310, 4790495, 5751112, 7188890, 7664792, 8690620, 9580990, 14377780, 17381240, 19161980, 28755560, 38323960, 547074529, 1094149058, 2188298116, 2735372645, 4376596232, 5470745290, 10941490580, 21882981160]

約数ペア:

[(1, 21882981160), (2, 10941490580), (4, 5470745290), (5, 4376596232), (8, 2735372645), (10, 2188298116), (20, 1094149058), (40, 547074529), (571, 38323960), (761, 28755560), (1142, 19161980), (1259, 17381240), (1522, 14377780), (2284, 9580990), (2518, 8690620), (2855, 7664792), (3044, 7188890), (3805, 5751112), (4568, 4790495), (5036, 4345310), (5710, 3832396), (6088, 3594445), (6295, 3476248), (7610, 2875556), (10072, 2172655), (11420, 1916198), (12590, 1738124), (15220, 1437778), (22840, 958099), (25180, 869062), (30440, 718889), (50360, 434531)]