28565440

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1$

素因数の和:182

約数の個数: 112

約数和(自身を含む): 74066400

約数和(自身を除く): 45500960

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 59, 64, 68, 80, 85, 89, 118, 136, 160, 170, 178, 236, 272, 295, 320, 340, 356, 445, 472, 544, 590, 680, 712, 890, 944, 1003, 1088, 1180, 1360, 1424, 1513, 1780, 1888, 2006, 2360, 2720, 2848, 3026, 3560, 3776, 4012, 4720, 5015, 5251, 5440, 5696, 6052, 7120, 7565, 8024, 9440, 10030, 10502, 12104, 14240, 15130, 16048, 18880, 20060, 21004, 24208, 26255, 28480, 30260, 32096, 40120, 42008, 48416, 52510, 60520, 64192, 80240, 84016, 89267, 96832, 105020, 121040, 160480, 168032, 178534, 210040, 242080, 320960, 336064, 357068, 420080, 446335, 484160, 714136, 840160, 892670, 1428272, 1680320, 1785340, 2856544, 3570680, 5713088, 7141360, 14282720, 28565440]

約数ペア:

[(1, 28565440), (2, 14282720), (4, 7141360), (5, 5713088), (8, 3570680), (10, 2856544), (16, 1785340), (17, 1680320), (20, 1428272), (32, 892670), (34, 840160), (40, 714136), (59, 484160), (64, 446335), (68, 420080), (80, 357068), (85, 336064), (89, 320960), (118, 242080), (136, 210040), (160, 178534), (170, 168032), (178, 160480), (236, 121040), (272, 105020), (295, 96832), (320, 89267), (340, 84016), (356, 80240), (445, 64192), (472, 60520), (544, 52510), (590, 48416), (680, 42008), (712, 40120), (890, 32096), (944, 30260), (1003, 28480), (1088, 26255), (1180, 24208), (1360, 21004), (1424, 20060), (1513, 18880), (1780, 16048), (1888, 15130), (2006, 14240), (2360, 12104), (2720, 10502), (2848, 10030), (3026, 9440), (3560, 8024), (3776, 7565), (4012, 7120), (4720, 6052), (5015, 5696), (5251, 5440)]